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774
Jul 15, 2011
07/11
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NASA -- NASA Image Of The Day
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Perhaps the most impressive of cloud formations, (from the Latin for ''pile'' and ''rain cloud'') clouds form due to vigorous convection (rising and overturning) of warm, moist, and unstable air. Surface air is warmed by the sun-heated ground surface and rises; if sufficient atmospheric moisture is present, water droplets will condense as the air mass encounters cooler air at higher altitudes. The air mass itself also expands and cools as it rises due to decreasing atmospheric pressure, a...
Topics: What -- Sun, What -- International Space Station (ISS), What -- Earth, Where -- Senegal, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8542
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8.6K
Jul 6, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS013&roll=E&frame=67242 ISS013-E-67242 was acquired August 15, 2006, with a Kodak 760C digital camera using a 180 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Group, Johnson Space Center. The image in this article has been cropped and enhanced to improve contrast. Lens artifacts have also been removed. The spaceflight.nasa.gov/home/index.html...
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The crew of Expedition 13 recently passed a major milestone: as of late August 2006, more than one quarter of a million images of Earth had been taken from the International Space Station. The rate at which Expedition 13 has been photographing the Earth has been record-setting, as they passed the www.nasa.gov/mission_pages/station/science/240000_pix.html 200,000 th image mark less than two months before. The 250,000 th image is an oblique view (the photograph was taken from a side angle) of the...
Topics: What -- Earth, What -- International Space Station (ISS), What -- Landsat 7, Where -- Christchurch,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6875
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May 18, 2010
05/10
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NASA/Kenny Allen
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Space shuttle Atlantis soars to orbit from Launch Pad 39A at NASA's Kennedy Space Center in Florida on the STS-132 mission to the International Space Station at 2:20 p.m. EDT on May 14. The third of five shuttle missions planned for 2010, this was the last planned launch for Atlantis. Image Credit: NASA/Kenny Allen
Topics: What -- Space Shuttle Orbiter, What -- STS-132, What -- International Space Station ISS, Where --...
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1665.html
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Jun 26, 2011
06/11
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NASA -- Image courtesy landsat7.usgs.gov/ USGS Landsat 7 team, at the edc.usgs.gov/ EROS Data Center.
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This true-color image was taken by the Enhanced Thematic Mapper Plus (ETM+) aboard the Landsat 7 satellite on September 12, 2001, at roughly 11:30 a.m. Eastern Daylight Savings Time. Visit the NASA home page for www.nasa.gov/newsinfo/WTCplume.html photos from the space station and MODIS, and GlobalSecurity.org for www.globalsecurity.org/eye/wtc.htm images from other satellites.
Topics: What -- Landsat 7, What -- Landsat
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1755
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568
Jul 8, 2011
07/11
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NASA -- NASA images by Robert Simmon and Jesse Allen, based on modarch.gsfc.nasa.gov/ MODIS data.
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In a photo-like satellite image, the faintest of shadows or shading of grey may give them away, but more often, clouds over the poles simply disappear against the background, camouflaged from the satellite's view by the underlying snow and sea ice. For those trying to track clouds from space, to understand cloud physics, say, or to predict the weather, the problem is frustrating. Only with a combination of visible and invisible wavelengths of light, such as infrared light, do clouds become...
Topics: What -- Visible Light, What -- Terra, What -- Aqua, What -- Polar, What -- Earth, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7378
555
555
Jul 7, 2011
07/11
by
NASA -- Astronaut photographs eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS014&roll=E&frame=8741 ISS014-E-8741, eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS014&roll=E&frame=8742 ISS014-E-8742, and eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS014&roll=E&frame=8744 ISS014-E-8744 were acquired November 28, 2006, with a Kodak 760C digital camera using a 400 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science &...
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Mumbai (formerly known as Bombay) is a one whose population is more than 10 million. More than 21 million people live in the greater Mumbai metropolitan region. Megacities like Tokyo, New York, Sao Paulo, and Mumbai are also known as -- large contiguous areas of urban landscapes formed from the growth and merging of previously separate and distinct urban centers. The Mumbai conurbation includes several municipal entities including Bhiwandi, Kalyan, Thane, and Ulhasnagar. This image mosaic is...
Topics: What -- International Space Station (ISS), Where -- Mumbai, Where -- Tokyo, Where -- New York
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7376
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608
Jul 9, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using Landsat data provided by the University of Maryland's www.landcover.org/ Global Land Cover Facility. Caption by Michon Scott.
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The longest river in Asia, the Yangtze River brings mixed blessings to China. Although it meets the water needs of millions of people, the river regularly overflows its banks. In the twentieth century alone, Chinese authorities estimated, the river claimed the lives of 300,000 people. To protect some 15 million residents and 3.7 million acres (roughly 14,970 square kilometers) in the lower Yangtze floodplains, China began construction on the Three Gorges Dam in 1994. Like the river itself, the...
Topics: What -- Landsat 5, What -- Tropical Rainfall Measuring Mission (TRMM), What -- Terra, What -- Aqua,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7769
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264
Jun 25, 2011
06/11
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NASA -- Image courtesy NASA/JPL/NIMA
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This perspective view shows the city of Bhuj, India, in the foreground (gray area). Bhuj and many other nearby towns and cities were almost completely destroyed by the shaking of an earthquake in western India on January 26, 2001. This magnitude 7.6 earthquake was the deadliest in the history of India with some 20,000 fatalities and over a million homes damaged or destroyed. The epicenter of the earthquake was in the area in the background of this view. Bhuj was the historical capital of the...
Topics: What -- Landsat 7, What -- Shuttle Radar Topography Mission, What -- SRTM, What -- Landsat, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1317
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89
Jul 5, 2011
07/11
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NASA -- NASA images courtesy the rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC.
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Sunday, December 11, 2005, was a day without sun for many Londoners. At about 6 a.m. local time, an explosion rocked a fuel depot in Hertfordshire, approximately 40 kilometers (25 miles) north of London. The ensuing oil fire sent thick clouds of sun-blocking black smoke billowing over London and South England. By 11:50 a.m., when the Moderate Resolution Imaging Spectroradiometer ( modis.gsfc.nasa.gov MODIS ) flew over on NASA's terra.nasa.gov/ Terra satellite, the smoke had fanned south over...
Topics: What -- Sun, What -- Terra, What -- Aqua, Where -- London, Where -- United Kingdom
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6102
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1.1K
Jun 27, 2011
06/11
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NASA -- Image provided by the edc.usgs.gov/ USGS EROS Data Center Satellite Systems Branch.
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Each of these swirling clouds is the result of a meteorological phenomenon known as a von Karman vortex. These vortices appeared over Alexander Selkirk Island in the southern Pacific Ocean. Rising precipitously from the surrounding waters, the island's highest point is nearly a mile (1.6 km) above sea level. As wind-driven clouds encounter this obstacle, they flow around it to form large, spinning eddies. This image was acquired by landsat7.usgs.gov/ Landsat 7's Enhanced Thematic Mapper plus...
Topics: What -- Landsat 7, Where -- Pacific Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2613
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10K
Jul 11, 2011
07/11
by
NASA -- NASA Image Of The Day
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Human history isn't confined to books; some of it is written across the surface of the Earth. Among the places where the earth itself tells a story of our past is the French landscape around the city of Verdun, where more than 300,000 French and Germans died during a World War I battle that went on from mid-February to mid-December 1916. In this image, Verdun is a small city on the banks of the Meuse River surrounded by the geometric pattern of farmed and fallow fields. The river is framed by...
Topics: What -- Earth, What -- Landsat 7, Where -- France
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8211
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128
Jul 11, 2011
07/11
by
NASA -- NASA Image Of The Day
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For those who live in the Northern Hemisphere, December is a time when days get steadily shorter and colder as winter settles in. In the south, however, December is the start of summer. Long sunlit days heat the frigid waters around Antarctica, releasing them from the coating of ice that developed during the winter. By mid-December, the seasonal ice in the Ross Sea had broken up and was quickly flowing away from the continent. The Moderate Resolution Imaging Spectroradiometer (...
Topics: What -- Aqua, What -- Terra, Where -- Ross Sea, Where -- Goddard Space Flight Center (GSFC)
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8310
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4.1K
Aug 19, 2009
08/09
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NASA
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Solar panels on the Hubble Space Telescope make for unique window shades in this scene photographed from the flight deck of the Earth-orbiting space shuttle...
Topics: NASA Image of the Day (Large), What -- Hubble Space Telescope (HST), What -- Space Shuttle Orbiter,...
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1363.html
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243
Jul 18, 2011
07/11
by
NASA -- NASA Image Of The Day
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South of Khartoum, Sudan, where the White and Blue Nile Rivers join, a dizzying arrangement of irrigated fields stretches out across the state of El Gezira. Given the semi-arid climate of earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=14477 the surrounding area, this geometrical spectacle of fertile green fields depends on thousands of kilometers of canals and ditches that connect the region to the Blue Nile in the west. The manmade rivers and streams are part of an...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8747
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119
Jul 9, 2011
07/11
by
NASA -- NASA images created by Jesse Allen, using data provided courtesy of the rapidfire.sci.gsfc.nasa.gov/ MODIS Rapid Response team.
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eye 119
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In the span of three weeks, spring crept over the Siberian landscape surrounding the northern half of the Lena River. Many of the rivers in Earth's temperate zones run high in the spring when melting snow and spring rain flood river basins. On the Lena River, however, spring flooding is almost inevitable for another reason: ice. Like other north-flowing rivers, the upper reaches of the Lena melt before their downstream counterparts. Because the northern mouth of the river remains frozen while...
Topics: What -- Terra, What -- Visible Light, What -- Earth
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7736
104
104
Jul 15, 2011
07/11
by
NASA -- NASA Image Of The Day
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Dust plumes hundreds of kilometers long blew off the Moroccan coast on February 10, 2008. The Moderate Resolution Imaging Spectroradiometer modis.gsfc.nasa.gov (MODIS) on NASA's aqua.nasa.gov Aqua satellite captured this image of the dust plumes mixing with clouds over the Atlantic Ocean the same day. In this image, two largely parallel dust plumes blow off the coast. The northeast plume is more intense -- thick enough in places to completely hide the water below. The other plume is thinner and...
Topics: What -- Aqua, What -- Earth, Where -- Atlantic Ocean, Where -- Morocco, Where -- Mauritania, Where...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8548
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314
Jul 6, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS013&roll=E&frame=28610 ISS013-E-28610 was acquired May 31, 2006, using a Kodak 760C digital camera with an 800 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Group, Johnson Space Center. The image in this article has been cropped and enhanced to improve contrast. The spaceflight.nasa.gov/home/index.html International Space Station Program supports...
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Located just north of the equator (3.85 degrees North, 154.9 degrees East), this classically shaped atoll is part of the Caroline Islands, which stretch northeast of Papua New Guinea in the western Pacific. (The islands are roughly north of Guadalcanal, and southeast of Guam and Truk Islands.) Nukuoro Atoll is one of 607 islands that make up the www.fsmgov.org/ Federated States of Micronesia. The image shows the sandy atoll with 42 distinct patches of vegetation. These patches are located on...
Topics: Where -- Papua New Guinea, Where -- Guinea, Where -- Guam, Where -- Micronesia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6732
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131
Jul 6, 2011
07/11
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NASA -- NASA images courtesy the rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC.
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Widespread drought in eastern Africa has withered the grass and other vegetation of northern Tanzania's famous Serengeti Plain in January 2006. The region's''short rains''season should have begun around October (2005), but by mid-January, had failed to arrive. According to some news reports, the severe drought created great stress among the Serengeti's migrating wildlife, including wildebeest and zebras, as well as less nomadic animals such as giraffes. This pair of images from the Moderate...
Topic: What -- Terra
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6221
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350
Jun 22, 2011
06/11
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NASA -- Image courtesy NASA GSFC, data from NOAA-GOES
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On 17 May 2000, the first visible image was broadcast by NOAA's GOES-11 satellite, which was launched just 2 weeks earlier. The displayed picture is a greatly reduced version from the full image, which is 164 million pixels (more than 100 screenfuls). The United States is host to more severe weather than any other nation on the planet. Even in mid-May, the storm in the upper midwest dropped 12 inches of snow in Wyoming, 2 inches of hail in Colorado, and spawned tornadoes across Nebraska. For...
Topics: What -- GOES 11, Where -- United States of America, Where -- Wyoming, Where -- Colorado, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=609
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Jul 2, 2011
07/11
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NASA -- Topography map of Hispaniola (top) courtesy NASA's www2.jpl.nasa.gov/srtm/'' target=''_blank Shuttle Radar Topography Mission (SRTM). Population density map courtesy sedac.ciesin.columbia.edu/ '' target=''_blank Socioeconomic Data and Applications Center (SEDAC).
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The skies over Hispaniola opened up on May 24, 2004, and poured as much as 10 inches (25 cm) of rain within a 24-hour span onto an already rain-soaked island that had received as much as 10 inches of rain over the previous week. The torrent triggered flooding and mudslides that ran swiftly down the northern and southern flanks of the Massif de la Salle, straddling the border between Haiti and the Dominican Republic. As the deluge fanned out on the flood plains below, several villages were...
Topics: Where -- Haiti, Where -- Dominican Republic
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4566
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214
Jul 3, 2011
07/11
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NASA -- NASA image created by Jesse Allen, Earth Observatory. ASTER data and elevation imagery courtesy of Michael Abrams and the MITI, ERSDAC, JAROS, and the U.S./Japan ASTER Science Team.
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eye 214
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Gosses Bluff is one of the most significant impact structures in the world. Located about 205 kilometers west of Alice Springs, in Northern Territory, Australia, the crater has been largely preserved in the dry, lightly vegetated region. Gosses Bluff was probably formed by the impact of a large comet or meteorite about 142 million years ago. Traveling at a rate of about 40 kilometers per second, the object slammed into the surface of the Earth, leaving a crater that was about 22 kilometers in...
Topics: What -- Crater, What -- Earth, What -- Advanced Spaceborne Thermal Emission and Reflection...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4853
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96
Jul 14, 2011
07/11
by
NASA -- NASA Image Of The Day
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Just around the corner from the Antarctic Peninsula, the Pine Island Glacier has been the focus of scientific attention for many years. Observations over the past few decades show that the glacier has lost elevation and that the ice shelf's grounding line--where the glacier loses contact with the ground and begins to float--has retreated inland. Large numbers of deep crevasses are a sign that parts of the glacier are moving rapidly. In late 2000, a warren of deep crevasses along one edge of the...
Topics: What -- Landsat, Where -- Amundsen Sea, Where -- Lima, Where -- Goddard Space Flight Center (GSFC)
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8384
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1.2K
Jul 6, 2011
07/11
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NASA -- Image copyright www.digitalglobe.com/ Digital Globe
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eye 1,165
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Mount Vesuvius is more dangerous than previously thought, says a new study published in the March 21, 2006, issue of the Proceedings of the National Academy of Sciences. About 3,780 years ago, a massive eruption buried land and villages as far as 25 kilometers northwest of the volcano -- a region that today includes the city of Naples, Italy, and has a population of more than three million people. Giuseppe Mastrolorenzo, Pierpaolo Petrone, Lucia Pappalardo, and Michael Sheridan discovered an...
Topic: Where -- Italy
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6403
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137
Jun 28, 2011
06/11
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NASA -- Image courtesy Jacques Descloitres, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC
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Off the coast of Namibia in southwest Africa, a cold, deep current snakes northward past the Namib Desert carrying icy waters from deep in the Southern Ocean off Antarctica. Year-round southerly winds cause the warmer surface waters near the coast to be deflected westward away from shore, and the cold waters of the Benguela Current rise up from the depths to replace them. In the ocean, the welling up of cold water has a positive influence on living organisms. As ocean organisms grow and...
Topics: What -- Terra, Where -- Namibia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3180
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138
Jul 10, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using data provided by the University of Maryland's www.landcover.org/ Global Land Cover Facility.
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eye 138
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Time, weather, and human intervention have all shaped the landsat.usgs.gov/gallery/detail/389/ Mississippi Delta in Louisiana, a giant bird's foot shape protruding into the Gulf of Mexico. The Mississippi River deposits sediment into the ocean, and over 25 years, NASA Landsat satellites observed changes in the delta's shape. On June 10, 1976, Landsat 1 acquired the top image. On October 10, 2001, Landsat 7 acquired the bottom image. In the years that separated these acquisitions, the river...
Topics: What -- Landsat 1, What -- Landsat 7, What -- Earth, Where -- Mississippi, Where -- Louisiana,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8103
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338
Jul 1, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS008&roll=E&frame=19233 ISS008-E-19233 was taken March 25, 2004, with a Kodak DCS760 digital camera equipped with an 195-mm lens. The bottom image, eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS007&roll=E&frame=14344 ISS007-E-14344 was taken with the same camera and a 180-mm lens on September 4, 2003. All images are provided by the Earth Observations Laboratory, Johnson Space Center. The...
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The Betsiboka Estuary on the northwest coast of Madagascar is the mouth of Madagascar's largest river and one of the world's fast-changing coastlines. Nearly a century of extensive logging of Madagascar's rainforests and coastal mangroves has resulted in nearly complete clearing of the land and fantastic rates of erosion. After every heavy rain, the bright red soils are washed from the hillsides into the streams and rivers to the coast. Astronauts describe their view of Madagascar as ''bleeding...
Topics: What -- FAST, What -- International Space Station (ISS), Where -- Madagascar
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4388
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102
Jul 9, 2011
07/11
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NASA -- NASA image courtesy Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC.
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The calendar may have set September 23 as the first day of autumn in 2007, but the forests that line the eastern shore of Lake Superior had already started to mark the turning of the season. By September 23, when the Moderate Resolution Imaging Spectroradiometer ( modis.gsfc.nasa.gov MODIS ) on NASA's terra.nasa.gov/ Terra satellite captured this photo-like image, the forests of northern Michigan and southern Ontario flamed orange as the first trees of the season -- maples -- began to display...
Topics: What -- Terra, Where -- Michigan, Where -- United States of America, Where -- Canada, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8084
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8.1K
Jul 7, 2011
07/11
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NASA -- Image courtesy ciclops.org/index.php CICLOPS team. Image description from ciclops.org/view.php?id=2230 ''In Saturn's Shadow,'' on the CICLOPS Website.
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Although the Earth Observatory typically reserves ''Image of the Day'' space for publishing data and images acquired by Earth-observing satellites, we are sometimes so enthralled by the spectacular images acquired by spacecraft observing other parts of the solar system that we want to share these 'otherworldy' views with our visitors. And if you are looking for remotely sensed images of the Earth, this view is the most remotely sensed image we have ever published! This beautiful image of Saturn...
Topics: What -- Earth, What -- Saturn, What -- Cassini, What -- Sun, What -- Huygens Probe
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7314
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79
Jul 8, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using data provided courtesy of NASA/GSFC/MITI/ERSDAC/JAROS, and the U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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Hazards posed by volcanoes usually bring to mind lava flows and clouds of ash. Yet some of the worst hazards emerge long after the eruptions have stopped. are mudflows of water, volcanic ash, and volcanic rocks. Melting snow and rain can form lakes that sit heavily and uneasily in volcanic calderas. If the volcanic lake breaks through the surrounding rock, a lahar pours down the volcano's flank. Some lahars have been observed moving at 65 kilometers (40 miles) per hour, easily outpacing people...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7534
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89
Aug 2, 2011
08/11
by
NASA -- NASA Image Of The Day
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eye 89
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Nearly every river and creek shown in the top false-color image of eastern Iowa was flooded on June 13, 2008. Compared to June 1 (lower image), the river systems look as if they have been outlined in black or dark blue, the color of water in this type of image. Captured by the Moderate Resolution Imaging Spectroradiometer ( modis.gsfc.nasa.gov MODIS ) on NASA's terra.nasa.gov/ Terra satellite, the images combine light normally visible to the human eye with infrared light to increase the...
Topics: What -- Terra, Where -- Iowa, Where -- Des Moines, Where -- Goddard Space Flight Center (GSFC)
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8834
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660
Jun 29, 2011
06/11
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NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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On May 3, 2003, a group of intense supercell thunderstorms spawned multiple tornados that swept across Oklahoma and nearby states. One of the tornados touched down in the town of Moore, just south of Oklahoma City. The path of the tornado is visible in this high-resolution satellite image, acquired by the IKONOS satellite on May 10, 2003. In the center of the tornado's swath homes were totally destroyed. The satellite's...
Topics: Where -- Oklahoma City, Where -- Oklahoma
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3458
914
914
Mar 12, 2010
03/10
by
NASA, ESA, J. Hester, A. Loll (ASU)
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The Crab Nebula, the result of a supernova noted by Earth-bound chroniclers in 1054 A.D., is filled with mysterious filaments that are are not only tremendously complex, but appear to have less mass than expelled in the original supernova and a higher speed than expected from a free explosion. The Crab Nebula spans about 10 light-years. In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town. The Crab Pulsar rotates about 30 times...
Topics: What -- Earth, What -- Sun
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1604.html
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624
Jul 9, 2011
07/11
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NASA -- Featured astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=STS118&roll=E&frame=9469 STS118-E-9469 was acquired by the www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts118/main/118_crew.html STS-118 crew on August 19, 2007, with a Kodak 760C digital camera using a 28 mm lens, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory at Johnson Space Center. The image in this article has been enhanced to...
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The crew of the Space Shuttle Endeavour took this spectacular image of the International Space Station during the STS118 mission, August 8-21, 2007. The image was acquired by an astronaut through one of the crew cabin windows, looking back over the length of the Shuttle. Endeavour had undocked from the International Space Station, and the crew had begun late inspection of the orbiter's Thermal Protection System (wing leading edges, nosecap, and belly tiles) prior to landing. The late inspection...
Topics: What -- Space Shuttle Endeavour, What -- International Space Station (ISS), What -- Earth, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8062
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111
Jun 25, 2011
06/11
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NASA -- Image courtesy NASA GSFC, MITI, ERSDAC, JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
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The Red Sea golf resort in Sharm El Sheik, Egypt, where President Clinton met with Israeli Prime Minister Ehud Barak and Palestinian Authority President Yasser Arafat, stands out against the desert landscape in this image acquired on August 25, 2000. This image of the southern tip of the Sinai Peninsula shows an area about 30 by 30 kilometers (19 by 19 miles) in the visible and near infrared wavelength region. Vegetation appears in red. The blue areas in the water at the top and bottom of the...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=899
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395
Nov 6, 2010
11/10
by
NASA
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Located about 5,000 light years from Earth, this composite image shows the Rosette star formation region. Data from the Chandra X-ray Observatory are colored red and outlined by a white line. The X-rays reveal hundreds of young stars in the central cluster and fainter clusters on either side. Optical data from the Digitized Sky Survey and the Kitt Peak National Observatory (purple, orange, green and blue) show large areas of gas and dust, including giant pillars that remain behind after intense...
Topic: What -- Earth
Source: http://www.nasa.gov/images/content/482251main_rosette_nebula_full.jpg
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Jun 28, 2011
06/11
by
NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS006&roll=E&frame=15238 ISS006-E-15238 was taken with the Electronic Still Camera equipped with a 800 mm lens, and is provided by the Earth Sciences and Image Analysis Laboratory at Johnson Space Center. Additional images taken by astronauts and cosmonauts can be viewed at the NASA-JSC eol.jsc.nasa.gov/ Gateway to Astronaut Photography of Earth .
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Crater Lake National Park celebrated its centennial in 2002, and is one of the nation's oldest national parks. When Congress declared the area to be ''dedicated and set apart forever as a public park or pleasure ground for the benefit and enjoyment of the people of the United States'' in 1902, they could not have imagined that the landscape would inspire photographers viewing the Crater Lake from space. Crater Lake, a volcanic caldera in South Central Oregon's Cascade Mountains, boasts...
Topics: What -- Crater, What -- International Space Station (ISS), Where -- United States of America, Where...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3160
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189
Jul 15, 2011
07/11
by
NASA -- NASA Image Of The Day
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Cyclone Ivan tracked across the southern Indian Ocean as tropical cyclone season near its peak in mid-February 2008. The storm developed into a powerful Category 4 cyclone that devastated parts of Madagascar as it crossed the island between February 17 and February 19. Initial government reports said that 26 people died in the storm, with more than 300,000 affected by strong winds, heavy rains, and floods, said the Red Cross on February 27. This image, made with data from the Tropical Rainfall...
Topics: What -- Tropical Rainfall Measuring Mission (TRMM), What -- Imager, What -- Earth, Where -- Indian...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8508
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928
Jul 1, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS008&roll=E&frame=13212 ISS008-E-13212 was taken on January 26, 2004, using a Kodak digital camera with a 400 mm lens, and was provided by Julie Robinson, Earth Sciences and Image Analysis Laboratory (Lockheed Martin), Johnson Space Center. The spaceflight.nasa.gov/ International Space Station Program supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to...
image
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This image of the El Paso-Juarez area on the U.S.-Mexico border is the www.jsc.nasa.gov/news/releases/2004/J04-006.html 100,000th photograph of Earth that astronauts have taken from the International Space Station. It was taken on January 26, 2004, by Expedition 8 crewmembers. The Rio Grande can be seen meandering through the area, forming the boundary between the sister cities of El Paso, Texas and Juarez, Chihuahua. North is to the right in this image, and the setting sun has cast the east...
Topics: What -- Earth, What -- International Space Station (ISS), What -- Sun, Where -- Texas
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4206
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439
Aug 25, 2010
08/10
by
NASA
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This image shows the eruption of a galactic ''super-volcano'' in the massive galaxy M87, as witnessed by NASA's Chandra X-ray Observatory and NSF's Very Large Array VLA. At a distance of about 50 million light years, M87 is relatively close to Earth and lies at the center of the Virgo cluster, which contains thousands of galaxies. The cluster surrounding M87 is filled with hot gas glowing in X-ray light and shown in blue that is detected by Chandra. As this gas cools, it can fall toward the...
Topics: What -- Very Large Array, What -- VLA, What -- Earth, What -- Virgo, Where -- M87, Where -- Iceland
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1743.html
399
399
Mar 28, 2011
03/11
by
NASA
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Two European Space Agency observatories combined forces to show the Andromeda Galaxy in a new light. Herschel sees rings of star formation in this, the most detailed image of the Andromeda Galaxy ever taken at infrared wavelengths, and XMM-Newton shows dying stars shining X-rays into space. ESA's Herschel and XMM-Newton space observatories targeted the Andromeda Galaxy, the nearest large spiral galaxy, which like our own Milky Way contains several hundred billion stars. This is the most...
Topics: What -- Andromeda, What -- TRACE
Source: http://www.nasa.gov/images/content/508574main_M31_XMM_HERSCHEL_full.jpg
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2.3K
Jul 6, 2011
07/11
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NASA -- NASA image created by Jesse Allen, Earth Observatory, using data obtained from the University of Maryland's
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Kiev (also spelled Kyiv) is the capital of Ukraine, the second largest country in Europe (second only to Russia and slightly larger than France). The city's history has long been entwined with Russia's. In the region's early history, Kiev was the capital city of a state that encompassed much of the surrounding lands. Invaded by the Mongols in the 13th century, Kiev fell from primacy, but rebuilt itself and remained a major city power for centuries. It became the capital of the newly independent...
Topics: What -- Landsat 7, Where -- Kiev, Where -- Ukraine, Where -- Russia, Where -- France, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6378
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232
Jul 17, 2011
07/11
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NASA -- NASA Image Of The Day
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You might associate southern Italy with sunny cloudless skies, Mediterranean waters, and sandy beaches, and certainly those things are on display in this image. But for anyone interesting in knowing just how fast a car can go, southern Italy might call to mind the Nardò Ring. The Nardò Ring is a circular track that is 12.5 kilometers (7.8 miles) in circumference, and steeply banked to minimize the amount of steering a driver has to do. For a car moving at 200 miles per hour (about 320...
Topics: What -- FAST, What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8674
467
467
Dec 15, 2010
12/10
by
NASA
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eye 467
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The small open star cluster Pismis 24 lies in the core of the NGC 6357 nebula in Scorpius, about 8,000 light-years away from Earth. The brightest object in the center of this image is designated Pismis 24-1 and was once thought to weigh as much as 200 to 300 solar masses. This would not only have made it by far the most massive known star in the galaxy, but would have put it considerably above the currently believed upper mass limit of about 150 solar masses for individual stars. However,...
Topics: What -- Scorpius, What -- Earth, What -- Hubble Space Telescope (HST), What -- Camera 2, Where --...
Source: http://www.nasa.gov/images/content/504349main_ngc6357_hst_big_full.jpg
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486
Jul 6, 2011
07/11
by
NASA -- NASA images by Lawrence Ong and the eo1.gsfc.nasa.gov/ EO-1 Science Team.
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If you asked almost anyone to describe a tropical island, they would likely mention palm trees and flat, white sandy beaches that stretch for kilometers: they would describe a coral atoll. Coral atolls are normally long, thin bars of white sand that rise just a few meters above sea level. The island or island group surrounds a hollow center where a volcanic peak once was. The atoll shown in this photo-like satellite image is the island of Tureia, in French Polynesia, about 930 kilometers...
Topics: What -- Imager, What -- EO 1, Where -- French Polynesia, Where -- Pitcairn Island
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6788
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100
Jul 17, 2011
07/11
by
NASA -- NASA Image Of The Day
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eye 100
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In the arid terrain of the western slopes of the Andes Mountains in southern Peru, very little vegetation exists to soften or obscure the rugged topography. In the central part of the state of Ayacucho, pictured in this satellite image, the mountains are dramatically sliced by dozens of nearly straight, parallel canyons that point southwest toward the Pacific coast. The image is made from a combination of visible and infrared light, which makes the lush vegetation hugging the banks of some of...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8643
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570
Jul 6, 2011
07/11
by
NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS013&roll=E&frame=23272 ISS013-E-23272 was acquired June 8, 2006, with a Kodak 760C digital camera using an 800 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Group, Johnson Space Center. The spaceflight.nasa.gov/home/index.html International Space Station Program supports the laboratory to help astronauts take pictures of Earth that will be of the...
image
eye 570
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Tenerife is the largest of the Canary Islands, a Spanish possession located off the northwestern coast of Africa. Formation of the islands may have begun approximately 30 million years ago, although the oldest lavas found on Tenerife indicate a much younger age (approximately 8.5 million years before present). The islands in the chain could have been produced by eruptions of basaltic volcano.und.edu/vwdocs/vwlessons/volcano_types/shield.htm shield volcanoes as the African tectonic plate moved...
Topics: What -- Atlas, What -- Launch Abort System (LAS), What -- Crater, Where -- Atlantic Ocean, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6752
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93
Jun 28, 2011
06/11
by
NASA -- Image courtesy mapping-ak.wr.usgs.gov/research.html USGS Alaska Science Center
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An intense earthquake struck central Alaska about 90 miles south of Fairbanks at 1:12 p.m. local time on November 3, 2002. With a magnitude of 7.9, the quake was the ninth largest to be recorded in the United States. The shaded-relief image above shows the location of the earthquake, which occurred on the Denali fault alongside the Alaska Range. The fault appears as a dark arch running across the image. The powerful quake knocked sections of the trans-Alaska oil pipeline off its supports,...
Topics: Where -- Alaska, Where -- United States of America, Where -- California, Where -- Montana, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2926
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292
Jul 11, 2011
07/11
by
NASA -- NASA Image Of The Day
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eye 292
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In the southeastern corner of the Baltic Sea lies a skinny stretch of land. Known as the Curonian (or Courland) Spit, it separates the Curonian Lagoon (also known as the Courland Lagoon) from the Baltic Sea. Just 3,800 meters (about 12,460 feet) at its widest point, the spit encloses a lagoon of some 1,620 square kilometers (625 square miles). On July 25, 2006, the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov/ (ASTER) , flying on NASA's terra.nasa.gov/...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8179
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117
Jul 9, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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There is no getting around the fact that the Earth is a crowded planet. It can be difficult for a population of nearly 6.6 billion people (as of May 16, 2007) to figure out how to share key natural resources, such as water and fertile land, with one another. It is often even harder for humans to figure out how to share those resources with the planet's other inhabitants. Often, decisions that seem to be good for immediate human needs are detrimental for other life. Worldwide, no terrestrial...
Topics: What -- Earth, Where -- Madagascar, Where -- Louisiana, Where -- Japan, What -- Advanced Spaceborne...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7688
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108
Jul 6, 2011
07/11
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NASA -- Image adapted from Dixon et al., 2006.
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Most people know that New Orleans has been sinking, but exactly how much has it sunk? In a paper published in the journal Nature, an international team of scientists determined the subsidence (sinking) in New Orleans in the three-year period prior to Hurricane Katrina. The team used data collected by Canada's www.space.gc.ca/asc/eng/satellites/radarsat1/default.asp RADARSAT satellite between April 2002 and July 2005. The researchers found that most of New Orleans subsided 8 millimeters per year...
Topics: What -- RadarSat, Where -- Louisiana, Where -- Mississippi
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6623
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208
Jul 10, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using data provided courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Water level data from the U.S. Department of the Interior www.usbr.gov/uc/crsp/GetSiteInfo Bureau of Reclamation.
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In the 1950s, construction began on the Glen Canyon Dam on the Colorado River in northern Arizona. The dam created Lake Powell: a long, skinny, meandering reservoir straddling the Arizona-Utah border. Ingenuity of human design, however, did not protect this massive reservoir from the drought that struck much of the southwestern United States between 2000 and 2007. The Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov (ASTER) on NASA's terra.nasa.gov Terra...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8132
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170
Jul 18, 2011
07/11
by
NASA -- NASA Image Of The Day
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Lake Pontchartrain, immediately north of New Orleans, occupies the upper part of this astronaut photograph from April 29, 2008, with the winding course of the muddy Mississippi River snaking across the bottom of the view (flow is eastward, from left to right). The city of New Orleans is sandwiched between the lake and the river. Heavy rain in March and April 2008 in the Mississippi's catchment area raised water levels in the river enough that the Army Corps of Engineers had to take action to...
Topics: What -- International Space Station (ISS), What -- Earth, Where -- Mississippi, Where -- United...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8738
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811
Jun 30, 2011
06/11
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NASA -- Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
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eye 811
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Namib-Naukluft National Park is an ecological preserve in the Namib Desert in southwest Africa, thought to be Earth's oldest desert. The park is the largest game park in Africa, and a surprising collection of creatures manages to survive in the hyper-arid region, including snakes, geckos, unusual insects, hyenas, and jackals. More moisture comes in as a fog off the Atlantic Ocean than falls as rain, with the average 63 millimeters of rainfall per year concentrated in the months of February and...
Topics: What -- ASTER, Where -- Atlantic Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3866
2,950
3.0K
Jul 15, 2011
07/11
by
NASA -- NASA Image Of The Day
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eye 2,950
favorite 2
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At 10:48 p.m. local time on January 31, 1958, the Explorer 1 satellite launched from Cape Canaveral, Florida, after launches scheduled the previous two days had been scrubbed due to high-altitude winds. A joint project between the U.S. Army and the California Institute of Technology/Jet Propulsion Laboratory (NASA was not yet established), the launch was a significant achievement for the United States. The previous fall, the Soviet Union had launched two Sputnik satellites, the second one...
Topics: What -- Explorer 1, What -- FAST, What -- Earth, Where -- Kennedy Space Center (KSC), Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8446
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154
Jul 3, 2011
07/11
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NASA -- NASA image courtesy the seawifs.gsfc.nasa.gov/SEAWIFS.html MODIS Ocean Science Team at Goddard Space Flight Center
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It's mid spring in the South Atlantic, and life is blooming in the ocean there. The image above uses rainbow colors to show the location and concentration of microscopic marine plants (phytoplankton) around the Falkland Islands (shown in light gray left of center in this scene) on November 22, 2004. The data for the image came from the Moderate Resolution Imaging Spectroradiometer modis.gsfc.nasa.gov (MODIS) on NASA's aqua.nasa.gov Aqua satellite. The black patches show gaps in the data due to...
Topics: What -- Aqua, What -- Visible Light, Where -- Falkland Islands, Where -- Brazil, Where -- Argentina
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5048
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126
Jul 9, 2011
07/11
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NASA -- NASA image courtesy Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team, Goddard Space Flight Center
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Dozens of forest fires burned across the mountains and canyons of west-central Idaho in late July 2007. Most of the fires were triggered by dry thunderstorms, which brought lightning and winds but scant rain to the area. The area is remote and rugged, occupied by the Salmon River Mountains. South of the Salmon River, the mountains are home to the Frank Church River of No Return Wilderness. Fires were also burning along the Snake River, which forms the border between Idaho and Oregon in this...
Topics: What -- Aqua, Where -- The Valley, Where -- Idaho, Where -- Oregon
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7892
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107
Jun 25, 2011
06/11
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NASA -- Image courtesy TRMM Science team and the NASA GSFC svs.gsfc.nasa.gov/ Scientific Visualization Studio.
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Ever wonder about the rainBeyond the practicality of needing an umbrella, climate researchers have wondered about the science of rainfall for a long time. But it's only in the past few years that they've begun to roll back some of its secrets. One of their tools for doing so is a powerful satellite called the Tropical Rainfall Measuring Mission, or TRMM. Now, after three years of continual operation, project scientists have released dramatic new maps of rainfall patterns gathered across a wide...
Topics: What -- Tropical Rainfall Measuring Mission (TRMM), What -- Earth, What -- Advanced Communication...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1017
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245
Jul 1, 2011
07/11
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NASA -- Image by Reto Stöckli, NASA Earth Observatory, based on Quickbird data copyright www.digitalglobe.org/ Digitalglobe
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This satellite image displays the city of Zürich, located in the german-speaking part of Switzerland. It was acquired by the Quickbird satellite on August 16, 2002, and was pan-sharpened to an amazing ground resolution (level of detail) of 60 centimeters per pixel. Zürich is the largest city in Switzerland, with a population of 364,558 in the city itself, and almost one million including the surrounding areas (based on 2002 figures). The city is the capital of the canton of Zürich (an...
Topic: Where -- Switzerland
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4355
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118
Nov 9, 2010
11/10
by
NASA
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eye 118
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comment 0
Xenon lights illuminate space shuttle Discovery on Launch Pad 39A following the retraction of the rotating service structure. The structure provides weather protection and access to the shuttle while it awaits lift off on the pad. Launch of Discovery on the STS-133 mission to the International Space Station is set for Nov. 5. During the 11-day mission, Discovery and its six crew members will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as...
Topics: What -- Space Shuttle Orbiter, What -- STS-133, What -- International Space Station (ISS), What --...
Source: http://www.nasa.gov/images/content/495574main_2010-5488_full.jpg
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467
Jun 30, 2011
06/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS007&roll=E&frame=17770 ISS007-E-17770 was taken October 20 , 2003 with a Kodak DCS760 digital camera equipped with an 800 mm lens and provided by Cynthia A. Evans (Lockheed Martin / Earth Observations Laboratory, Johnson Space Center). The spaceflight.nasa.gov/ International Space Station Program supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to...
image
eye 467
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Were astronauts cheering the Red Sox from the International Space Station? Or enjoying New England's fall colors on a fine fall day in mid October (the red color along the estuary north of Logan airport hints of the fall colors that the region enjoyed)? Or trying to observe Boston's ''Big Dig'', the local transportation project that is now the largest civil engineering project in U.S. history? Regardless of the reason, this image provides a good bird's-eye view of the center of the city,...
Topics: What -- International Space Station (ISS), Where -- Boston
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3967
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Jul 6, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS012&roll=E&frame=21351 ISS012-E-21351 was acquired March 29, 2006, with a Kodak 760C digital camera using a 35 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Group, Johnson Space Center. The image in this article has been enhanced to improve contrast, and lens artifacts have been removed. The spaceflight.nasa.gov/home/index.html International Space...
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The International Space Station (ISS) was in position to view the (ground) shadow cast by the Moon as it moved between the Sun and the Earth during the solar eclipse on March 29, 2006. This astronaut image captures the umbral shadow across southern Turkey, northern Cyprus, and the Mediterranean Sea. People living in these regions observed a earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17228 total solar eclipse, in which the Moon completely covers the Sun's disk. The astronaut...
Topics: What -- International Space Station (ISS), What -- Moon, What -- Sun, What -- Earth, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6419
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Jun 26, 2011
06/11
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NASA -- Image courtesy Jacques Descloitres, modland.nascom.nasa.gov/ MODIS Land Rapid Response Team
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eye 299
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A number of island nations in the eastern Indian Ocean were shrouded in thick haze produced by a large number of fires burning in Malaysia and Indonesia last week (July 8-14, 2001). Hundreds more fires were being set even as the thick cloud of smoke already severely reduced visibility across the region. Officials warned that the level of pollution was getting dangerously high and unhealthy. The fires are being set primarily by plantation owners, taking advantage of the current dry season, to...
Topics: What -- Terra, Where -- Indian Ocean, Where -- Malaysia, Where -- Indonesia, Where -- Thailand,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1596
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Jul 9, 2011
07/11
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NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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eye 185
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The world's northernmost capital city, Reykjavik, Iceland, resides on geologically young land. Straddling the mid-Atlantic Ridge, Iceland formed about 16 to 20 million years ago as the American and Eurasian continental plates pulled apart. The island's location means frequent www.volcano.si.edu/world/region.cfm?rnum=17 volcanic eruptions and hraun.vedur.is/ja/englishweb/ earthquakes , but the same geothermal activity meets the inhabitants&rsquoe;...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7652
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Jul 15, 2011
07/11
by
NASA -- NASA Image Of The Day
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Spitsbergen, the largest of the islands in the Svalbard Archipelago, sits well inside the Arctic Circle, just south of 80 degrees north latitude. This image of the island and its topography was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov (ASTER) on NASA's Terra satellite on July 12, 2003. The image is oriented with north toward the lower left. The view is similar to what you might see if you were in a hot air balloon northwest of the...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8577
4,854
4.9K
Dec 2, 2009
12/09
by
NASA
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The thin line of Earth's atmosphere and the setting sun are featured in this image photographed by the crew of the International Space Station while space shuttle Atlantis on the STS-129 mission was docked with the station. Image Credit: NASA
Topics: What -- Sun, What -- International Space Station (ISS), What -- Space Shuttle Orbiter, What --...
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1529.html
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Jun 26, 2011
06/11
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NASA -- Image courtesy the seawifs.gsfc.nasa.gov/SEAWIFS.html SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE
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This image shows a rare clear view of the South Pole (lower right) and the Ross Sea, Antarctica. The Sea-viewing Wide Field-of-view Sensor (SeaWiFS) acquired the scene on December 26, 2001. The geographic South Pole is located in the center of Antarctica, at an altitude of 2,900 meters (9,300 feet). It rests on a continent-wide ice sheet that is 2,870 m thick, with the underlying bedrock only 30 m (98 feet) above sea level. The ice underlying the South Pole is as much as 140,000 years old, and...
Topic: Where -- Ross Sea
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2066
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Aug 2, 2011
08/11
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NASA -- NASA Image Of The Day
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Living things that can make their own food -- autotrophs -- are the basis for all food webs. On land the most important autotrophs are plants; in the ocean, the major autotrophs are phytoplankton: microscopic algae, bacteria, and protists that use chlorophyll and other light-harvesting pigments to capture sunlight for photosynthesis. When phytoplankton populations get large enough, their pigments color the surface waters of oceans, seas, and lakes with shades of brown, green, or turquoise. This...
Topics: What -- Aqua, Where -- Black Sea, Where -- Turkey
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8817
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Jul 1, 2011
07/11
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NASA -- Images courtesy William Lau and Huey-Tzu Jenny Wu, NASA Goddard Space Flight Center, produced using trmm.gsfc.nasa.gov'' target=''_blank TRMM data
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In a new paper published in the journal Geophysical Research Letters, scientists at NASA's Goddard Space Flight Center provided compelling evidence that tropical rainfall will increase as sea surface temperature rises. Scientists have long theorized that rising surface temperatures could accelerate the water cycle -- the processes of evaporation and precipitation -- and data from the joint NASA/NASDA Tropical Rainfall Measuring Mission (TRMM) prove the theory is correct, at least over the...
Topics: What -- Tropical Rainfall Measuring Mission (TRMM), Where -- Goddard Space Flight Center (GSFC),...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4229
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Jun 30, 2011
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NASA -- Image courtesy Jacques Descloitres, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team at NASA GSFC
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Heavy rains in Sudan flooded the White Nile between August 3-11, 2003. This pair of images from the modis.gsfc.nasa.gov Moderate Resolution Imaging Spectroradiometer (MODIS) on the terra.nasa.gov/ Terra (right) and aqua.nasa.gov Aqua (left) satellites shows the river on June 19 (left) and August 11 (right), swollen from rains. The area between the White Nile and the Blue Nile to the east is dotted with pools of standing water as well. In these images, water is blue, vegetation is bright green,...
Topics: What -- Terra, What -- Aqua, Where -- Sudan
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3708
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Jun 30, 2011
06/11
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NASA -- Image Courtesy www.jpl.nasa.gov/srtm/ SRTM Team NASA/JPL/NIMA
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This image of the world was generated with data from the Shuttle Radar Topography Mission (SRTM). The SRTM Project has recently released a new global data set called SRTM30, where the original one arcsecond of latitude and longitude resolution (about 30 meters, or 98 feet, at the equator) was reduced to 30 arcseconds (about 928 meters, or 3045 feet.) This image was created from that data set and shows the world between 60 degrees south and 60 degrees north latitude, covering 80% of the Earth's...
Topics: What -- Shuttle Radar Topography Mission, What -- SRTM
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3741
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Jun 27, 2011
06/11
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NASA -- SeaWiFS image courtesy the seawifs.gsfc.nasa.gov/SEAWIFS.html SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE
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The bright red, green, and turquoise patches to the west of British Columbia's Queen Charlotte Islands and Alaska's Alexander Archipelago highlight the presence of biological activity in the ocean. These colors indicate high concentrations of chlorophyll, the primary pigment found in phytoplankton. Notice that there are a number of eddies visible in the Pacific Ocean in this pseudo-color scene. The eddies are formed by strong outflow currents from rivers along North America's west coast that...
Topics: What -- Columbia, Where -- Pacific Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2536
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Jul 9, 2011
07/11
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NASA -- NASA image by Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team, Goddard Space Flight Center.
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Category 4 Typhoon Usagi was stretched across the Pacific Ocean southeast of Japan in a long oval shape when the Moderate Resolution Imaging Spectroradiometer modis.gsfc.nasa.gov (MODIS) on NASA's terra.nasa.gov Terra satellite captured this image on August 1, 2007. The spiraling bands of rain clouds in the northwest quadrant of the storm appear to be reaching out for the islands of Shikoku and Honshu. Several large cities occupy these southern islands, which means millions of residents had to...
Topics: What -- Terra, Where -- Pacific Ocean, Where -- Japan
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7921
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Jun 28, 2011
06/11
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NASA -- Image courtesy ASTER and SRTM Teams, NASA's Jet Propulsion Laboratory
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Italy's Mount Etna is the focus of this 3-D perspective view made from data collected by the Advanced Spaceborne Thermal and Emission Radiometer (ASTER), flying aboard NASA's Terra spacecraft, and overlaid on Shuttle Radar Topography Mission (SRTM) topography. The image is looking south with dark lava flows from the 1600s (center) to 1981 (long flow at lower right) visible in the foreground and the summit of Etna above. The city of Catania is barely visible behind Etna on the bay at the upper...
Topics: What -- Spaceborne Imaging Radar, Where -- Washington, What -- ASTER, What -- Terra, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2912
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Jul 7, 2011
07/11
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NASA -- NASA image courtesy the rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team, Goddard Space Flight Center
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In northeastern New South Wales, a large fire flared up on November 29, 2006, and within a day it had scorched a large area in and around the Pilliga Nature Reserve and State Forests north of the town of Coonabarabran. This trio of images shows the area in photo-like natural color on the morning of November 30 (top), and in infrared-enhanced ''false-color'' (bottom) on November 29 and November 30. All the images were made from data collected by the Moderate Resolution Imaging Spectroradiometer...
Topics: What -- Terra, Where -- Australia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7166
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Jul 7, 2011
07/11
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NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS006&roll=E&frame=51456 ISS006-E-51456 was acquired in early 2003 with a Nikon 1 digital camera, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Laboratory, Johnson Space Center. The image in this article has been cropped and enhanced to improve contrast. The spaceflight.nasa.gov/home/index.html International Space Station Program supports the laboratory to...
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What do oceanographers and astronauts have in common? Observations of the complex interactions between different Earth systems, for one. Astronauts aboard the International Space Station routinely observe and photograph the Earth's surface to visualize the complicated interfaces between the atmosphere, the ocean, the land, and life on the surface. Oceanographers are also interdisciplinary students of the Earth; their interests include geology, chemistry, hydrology, and biology. Currently, a...
Topics: Who -- Suni Williams, What -- Earth, What -- International Space Station (ISS), What -- Sun, Where...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7337
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