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by NASA -- NASA Image Of The Day
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In western Africa, just south of the Sahara Desert, lies the landlocked nation of Burkina Faso. Despite the limited natural resources in this arid savannah, the nation experienced a 200 percent increase in urban population between 1975 and 2000. Much of that growth occurred in the capital city of Ouagadougou, where unplanned settlements sprang up along the city's perimeter. Between 1960 and 1993, Ouagadougou experienced a 14-fold increase in area. Over the years, NASA's Landsat satellites have...
Topics: What -- Landsat 5, What -- Atlas, What -- Landsat, Where -- Burkina Faso, Where -- Ouagadougou,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8870
NASA Images
by 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
NASA Images
by 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
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging, Inc.
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Athletes and sports fans from all over the world will soon focus their attention on Athens, Greece -- host city for the www.athens2004.com/ 2004 Summer Olympic Games. This high-resolution image shows the Athens Olympic Sports Complex, where this year's games will be played. Acquired on June 24, 2004, by Space Imaging's IKONOS satellite, the scene shows the complex in stunning detail, including the Olympic Stadium (home of the opening and closing ceremonies), the Olympic Aquatic Center, Olympic...
Topics: What -- TRACE, What -- Spirit, Where -- Athens, Where -- Greece, Where -- Olympia, Where -- Pierre
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4739
NASA Images
by 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
NASA Images
by 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
NASA Images
by NASA -- Images Copyright www.digitalglobe.com/ DigitalGlobe
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eoimages.gsfc.nasa.gov/images/imagerecords/5000/5125/srilanka_kalutara_flood_dec26_2004_dg.jpg Detail, December 26, 2004 (760 kB JPEG) eoimages.gsfc.nasa.gov/images/imagerecords/5000/5125/srilanka_kalutara_beforeflood_jan1_2004_dg.jpg Detail, January 1, 2004 (590 kB JPEG) eoimages.gsfc.nasa.gov/images/imagerecords/5000/5125/srilanka_kalutara_ov_dec26_2004_dg.jpg Overview, December 26, 2004 (1.1 MB JPEG) eoimages.gsfc.nasa.gov/images/imagerecords/5000/5125/srilanka_kalutara_ov_jan1_2004_dg.jpg...
Topics: Where -- Indian Ocean, Where -- Indonesia, Where -- Sri Lanka
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5125
NASA Images
by 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
NASA Images
by 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
NASA Images
by 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
NASA Images
by NASA -- Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
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For almost 2,000 years, the River Thames has served as the life force of London, capital of the United Kingdom and one of the world's most famous cities. In AD 43 the Romans established the trading settlement of Londinium at a favorable crossing point on the river. The Romans remained until the 5th century, when the city came under Saxon control. The early 17th century saw enormous growth, but the deadly plague of 1664 and 1665 ravaged the population, and in the following year the Great Fire,...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3200
NASA Images
by 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
NASA Images
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
NASA Images
by NASA -- NASA images courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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Along the coast of Dubai -- one of several emirates comprising the United Arab Emirates -- are human-made islands. When the Advanced Spaceborne Thermal Emission and Reflection Radiometer asterweb.jpl.nasa.gov (ASTER) on NASA's terra.nasa.gov Terra satellite took this picture on September 18, 2006, these islands were the largest artificial islands in the world. All of the islands were still under some degree of en.wikipedia.org/wiki/Palm_Islands construction in the fall of 2006. From south to...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7040
NASA Images
by NASA -- NASA images created by Jesse Allen, Earth Observatory, 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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For centuries, mariners had to travel an extra 340 kilometers (185 nautical miles) between the Gulf of Corinth and the Saronic Gulf. The reason for this extra distance was a thin strip of land only about 6 kilometers (4 miles) across. The Isthmus of Corinth connects mainland Greece in the north to the Peloponnese Peninsula in the south. In the late 19th century, ships' journeys shortened with the completion of the Corinth Canal. On May 9, 2005, the Advanced Spaceborne Thermal Emission and...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6997
NASA Images
by 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
NASA Images
by NASA -- Image courtesty Hinode, JAXA/NASA.
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Vivid orange streamers of super-hot, electrically charged gas (plasma) arc from the surface of the Sun, revealing the structure of the solar solar.physics.montana.edu/YPOP/Spotlight/Magnetic/what.html magnetic field rising vertically from a sunspot. The thin outer surface of the Sun, the corona, is shaped by a complex network of magnetic fields. These magnetic fields are strongest inside sunspots, and their effect on plasma is visible in this image. The gas is drawn along the...
Topics: What -- Sun, What -- Solar Optical Telescope, What -- Hinode, Where -- Washington, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7529
NASA Images
by NASA -- NASA Image Of The Day
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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
NASA Images
by NASA -- NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
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Resembling a work of modern art, variegated green crop circles cover what was once shortgrass prairie in southwestern Kansas. The most common crops in this region -- Finney County -- are corn, wheat, and sorghum. Each of these crops was at a different point of development when the Advanced Spaceborne Thermal Emission and Reflection Radiometer ( asterweb.jpl.nasa.gov/ ASTER ) captured this image on June 24, 2001, accounting for the varying shades of green and yellow. Healthy, growing crops are...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5772
NASA Images
by 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
NASA Images
by NASA -- Eclipse photo, top, copyright Steve Albers, Dennis DiCicco, and Gary Emerson. Mir photo, bottom, copyright Centre National d'Etudes Spatiales (CNES).
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earthobservatory.nasa.gov/Newsroom/NewImages/Images/albers_eclipse_lrg.jpg Photo, July 11, 1991 (2.4 MB JPEG) earthobservatory.nasa.gov/Newsroom/NewImages/Images/albers_eclipse_mir_lrg.jpg Mir Photo, August 11, 1999 (210 kB) Like the beam of a flashlight in reverse, the Moon casts its shadow over the Earth when it moves in front of the Sun during a total solar eclipse. Within this shadow, which measures about 100 miles across, day becomes night for a few minutes as the Sun's disk turns black...
Topics: What -- Russian Mir Space Station, What -- Beam, What -- Moon, What -- Earth, What -- Sun, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6413
NASA Images
by NASA -- NASA Image Of The Day
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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
NASA Images
by NASA -- NASA Image Of The Day
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After earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17782 record retreat in September 2007, Arctic sea ice had been making a slow winter recovery. Mean sea ice extent remained at record-low levels in October 2007, but beginning in late October, sea ice grew by more than 150,000 square kilometers (about 58,000 square miles) per day for about 10 days--the fastest regrowth observed in the satellite record. Despite this rapid growth, sea ice extent remained below normal for...
Topics: What -- EOS, What -- Aqua, What -- Nimbus 7, What -- Defense Meteorological Satellite, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8285
NASA Images
by NASA
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Jupiter's moon Europa has a crust made up of blocks, which are thought to have broken apart and 'rafted' into new positions, as shown in the image on the left. These features are the best geologic evidence to date that Europa may have had a subsurface ocean at some time in its past. Combined with the geologic data, the presence of a magnetic field leads scientists to believe an ocean is most likely present at Europa today. In this false color image, reddish-brown areas represent non-ice...
Topics: Europa, What -- Moon, What -- Europa, What -- Crater, What -- Galileo, Where -- Arizona
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1339.html
NASA Images
by NASA -- Photograph courtesy NASA www.nasa.gov/centers/kennedy/home/index.html Kennedy Space Center
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Space Shuttle Discovery lifted off from Cape Canaveral at 10:39 a.m. EDT July 26, 2005, returning to flight more than two years after the Space Shuttle Columbia tragedy of February 1, 2003. Nine minutes later, Discovery reached orbit. On its 13-day mission the shuttle crew will test new methods of repairing damage to the Space Shuttle and dock with the International Space Station. While docked, the Discovery crew will deliver supplies, install equipment, and replace a faulty gyroscope on the...
Topics: What -- Space Shuttle Orbiter, What -- Columbia, What -- International Space Station (ISS), What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5705
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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Deep in the northern Yucatan jungle lies one of the Northern Hemisphere's oldest solar observatories. At the ruins of an ancient city called Chichen Itza (''the mouth of the well''), a well-preserved collection of buildings and plazas reveals the sophisticated astronomical and architectural knowledge possessed by the Maya more than a thousand years ago. The 75-foot pyramid in the center of the site is the Pyramid of Kulkulkan, the Feathered Serpent God of the Maya. The Maya were obviously...
Topics: What -- Sun, What -- Earth
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5349
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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A blue-green veil of water tumbles 51 meters over the rocky precipice of the Niagara Falls in this Ikonos image, acquired on August 2, 2004. Every second, more than two million liters of water plummets over the half-circle of the Canadian/Horseshoe portion of the Niagara Falls, shown here, making it one of the world's largest waterfalls. The force of the pounding water is sending a cloud of mist up from the bottom of the falls; this same force eats away at the rock behind the falls, pushing...
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Topics: Where -- United States of America, Where -- Canada
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5325
NASA Images
by NASA -- NASA Image Of The Day
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Deep in the Sahara Desert lies a crater. Nearly a perfect circle, it is 1.9 kilometers (1.2 miles) wide, and sports a rim 100 meters (330 feet) high. The crater sits in a vast plain of rocks so ancient they were deposited hundreds of millions of years before the first dinosaurs walked the Earth. Modern geologists long debated what caused this crater, some of them favoring a volcano. But closer examination of the structure revealed that the crater's hardened ''lava'' was actually rock that had...
Topics: What -- Crater, What -- Earth, What -- ASTER, What -- Terra, Where -- Mauritania
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8536
NASA Images
by NASA -- NASA image created Jesse Allen, Earth Observatory, using data obtained from the glcf.umiacs.umd.edu/index.shtml University of Maryland's Global Land Cover Facility
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Bandelier National Monument rises from the Rio Grande up the slopes of the Jemez Mountains in central New Mexico. Proclaimed by President Woodrow Wilson in 1916, the park takes in almost 33,000 acres of land that include a large number of Pueblo dwellings occupied between the 1100s and the mid-1500s. The area was home to human settlements for thousands of years prior to the Pueblo civilizations' presence. The monument, named for Adolph Bandelier, a 19th-century anthropologist, was created both...
Topics: What -- Landsat 7, Where -- New Mexico, Where -- United States of America, Where -- Colorado, Where...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5039
NASA Images
by NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS011&roll=E&frame=12401 ISS011-E-12401 was acquired July 10, 2005, with a Kodak 760C digital camera with a 400 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...
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This strongly oblique (from the side) view shows the Gulf of Finland and Lake Ladoga in the late afternoon. At this time of day, sunglint -- the reflection of sunlight into the camera lens -- distinguishes the bodies of water from their surroundings. The image was taken from the International Space Station when the craft orbited north of the Caspian Sea, approximately 2,500 kilometers (1600 miles) to the southeast on the Russia-Kazakhstan border. Lakes in Finland in the middle of the view are...
Topics: Who -- Sergei Krikalev, What -- International Space Station (ISS), Where -- Gulf of Finland, Where...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6058
NASA Images
by 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
NASA Images
by NASA -- Image courtesy GOES project
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The first full-disk (hemispheric) image of the Earth after the turn of the century on the East Coast of the U.S. was aquired by a NOAA Geostationary Operational Environmental Satellite--GOES-8-- at 12:45 AM Eastern Standard Time, January 1, 2000. For more high-resolution color images of the earth, see: rsd.gsfc.nasa.gov/goes/test/goes.fulldisk.html http://rsd.gsfc.nasa.gov/goes/test/goes.fulldisk.html
Topics: What -- Earth, What -- Environmental Satellite, What -- GOES 8
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=501
NASA Images
by NASA -- Image by Robert Simmon, based on data from Lauren VanArsdall and Robert L. Nusbaum, www.cofc.edu/~geology/ Geology and Environmental Geosciences, College of Charleston, Charleston, SC. Image interpretation provided by Lauren VanArsdall and Robert L. Nusbaum.
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Two nearby volcanoes in the Tibesti Range Mountains in northern Chad exhibit dramatically different surface characteristics in a topographic image. The difference in their appearance is due to their relative ages and eruptive history. The map was created using stereo pairs of images (images of the same area taken from different angles) captured by NASA's Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) aboard the Terra satellite on January 17, 2005, and January 20, 2006....
Topics: What -- STEREO, What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7457
NASA Images
by NASA -- Image courtesy NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team
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North and South Malosmadulu Atolls are in the Maldives, an island republic in the northern Indian Ocean, southwest of India. The Maldives are made up of a chain of 1,192 small coral islands, which are grouped into clusters of atolls. It has a total area of 298 square kilometers and a population of about 330,000. The capital and largest city is Male, with a population of about 80,000. Arguably the lowest-lying country in the world, the average elevation is just 1 meter above sea level. Waves...
Topics: What -- ASTER, Where -- Maldives, Where -- Indian Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5542
NASA Images
by NASA -- NASA Image Of The Day
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Adjoining Galway Bay to the north, the Burren Plateau ( is Gaelic for ''stony place'') is an example of terrain. Karst terrain is generally formed when sedimentary rocks are dissolved by groundwater. This astronaut photograph illustrates the northwestern-most portion of the Burren Plateau, which is characterized by the distinctive bare exposures of almost horizontal, layered Paleozoic-age limestone rocks that form Gleninagh Mountain. The mountain (image center) appears light gray, with brown...
Topics: What -- Earth, What -- International Space Station (ISS), Where -- Johnson Space Center (JSC),...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8714
NASA Images
by NASA -- Caption provided by Serge Andrefouët, Remote Sensing/Biological Oceanography, University of South Florida. Images eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS002&roll=ESC&frame=5677 ISS002-ESC-5677 and eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS002&roll=ESC&frame=5401 ISS002-ESC-5401 were provided by the eol.jsc.nasa.gov/ Earth Sciences and Image Analysis Laboratory at Johnson Space Center. Additional images taken by astronauts and cosmonauts can...
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These two images of the Tuamotu Archipelago, French Polynesia, illustrate diversity in the morphology of atolls, one of the major types of coral reef formations. A typical atoll structure is a lagoon surrounded by a closed rim of cays and shallow spillways that control the exchange of water between the ocean and the lagoon. However, like human beings, this general scheme may vary according to the history of each individual atoll, resulting in a high diversity of morphology, especially for small...
Topics: What -- Earth, Where -- French Polynesia, Where -- Maldives
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1555
NASA Images
by NASA -- NASA images created by Jesse Allen, Earth Observatory. ASTER 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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India's Hugli River (sometimes spelled ''Hooghly'') is a Ganges River distributary, one of the many branches of the river that are collectively known as the ''Mouths of the Ganges.'' As the Ganges approaches the coastal plain, the river fans out over the flat terrain of Bangladesh and West Bengal, India, as numerous meandering channels. The Hugli branches off the Ganges about 200 kilometers north of Calcutta, and the river flows past the city before emptying into the Bay of Bengal. This image...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6972
NASA Images
by NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS013&roll=E&frame=54329 ISS013-E-54329 was acquired July 20, 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 & 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...
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Atmospheric gases scatter blue wavelengths of visible light more than other wavelengths, giving the Earth's visible edge a blue halo. At higher and higher altitudes, the atmosphere becomes so thin that it essentially ceases to exist. Gradually, the atmospheric halo fades into the blackness of space. This astronaut photograph captured on July 20, 2006, shows a nearly translucent moon emerging from behind the halo. Technically, there is no absolute dividing line between the Earth's atmosphere and...
Topics: What -- Visible Light, What -- Moon, What -- Earth, What -- Sun, What -- Polar, What -- Reflector,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7373
NASA Images
by NASA -- Image copyright www.digitalglobe.com/ Digital Globe
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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
NASA Images
by NASA
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The Wilkins Ice Shelf, on the western side of the Antarctic Peninsula, experienced multiple disintegration events in 2008. By the beginning of 2009, a...
Topic: NASA Image of the Day
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1341.html
NASA Images
by NASA -- Image courtesy Jacques Descloitres, rapidfire.sci.gsfc.nasa.gov/ MODIS Land Rapid Response Team at NASA GSFC
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During its daytime overpass of the southeast coast of Brazil on March 26, 2004, the Moderate Resolution Imaging Spectroradiometer modis.gsfc.nasa.gov (MODIS) on the terra.nasa.gov Terra satellite captured this surprising sight: a tropical cyclone. The South Atlantic is generally not thought of by meteorologists as a place where tropical cyclones can form. The water temperatures are generally too cool and the vertical wind shear too strong. The area is so devoid of tropical storm activity that...
Topics: What -- Terra, Where -- Brazil
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4349
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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Nestled between the Mississippi River and Lake Pontchartrain, New Orleans is a city known for its distinctive cuisine, multicultural heritage, and revolutionary music. The city was established by French fur traders in 1718 along a Native American trade route. It was ceded to the Spanish in 1763 before being sold to the United States in 1803 as part of the Louisiana Purchase. Today, New Orleans is the largest city in Louisiana. At the heart of the city is the colonial French Quarter, where most...
Topics: Where -- Mississippi, Where -- United States of America, Where -- Louisiana, Where -- Jackson
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5446
NASA Images
by NASA -- NASA Image Of The Day
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After a record harvest in October 2007, Ethiopia settled into a drought. Little rain fell during the October and November rainy season, and rainfall was predicted to be below normal in the March-to-May rainy season as well, said the Famine Early Warning System Network. The impact of the poor rainfall is evident in this vegetation image, made with data collected by the Moderate Resolution Imaging Spectroradiometer ( modis.gsfc.nasa.gov MODIS ) on NASA's terra.nasa.gov/ Terra satellite between...
Topics: What -- Terra, What -- Earth, Where -- Ethiopia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8638
NASA Images
by NASA -- NASA Image Of The Day
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A crisp, clear winter day over France provided the International Space Station a detailed view of the city of Paris. This image, rotated and cropped from the original, shows the recognizable street pattern of the city--and some of the world's most notable landmarks--along the Seine River. One of the main avenues radiating like spokes from the Arc de Triomphe (image upper left) is the Avenue des Champs-Élysees running southeast to the Garden of Tuileries (Jardin des Tuileries). The...
Topics: What -- International Space Station (ISS), What -- Earth, Where -- France, Where -- Paris, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8479
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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Tucked deep in the Cambodian rainforest, the ancient Angkor Wat temple is considered one of the most valuable architectural sites in Asia. Angkor Wat is the pinnacle of the city of Angkor, capital of the once-powerful Khmer Empire of Southeast Asia. The temple was built by Suryavarman II between 1113 and 1150 AD. Dedicated to the Hindu god Vishnu, Angkor Wat is a representation of Mount Meru, home of the gods and the center of the Hindu universe. In addition to its unique pyramid temple...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5112
NASA Images
by NASA -- NASA images courtesy Marc Imhoff and Lahouari Bounoua at Goddard Space Flight Center
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earthobservatory.nasa.gov/Newsroom/NasaNews/ReleaseImages/20040623/hires/fig1b8inWide.jpg Percent of Local NPP (4.0 Mb JPEG) In an effort to gauge human impact on ecosystems, scientists at NASA and the World Wildlife Fund recently published estimates of how much of Earth's plant life humans consume for food, fiber, wood, and fuel. By understanding patterns of consumption, and how the planetary supply of plant life relates to the demand for it, these results may enable better management of...
Topics: What -- Earth, Where -- United States of America
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4600
NASA Images
by NASA -- NASA image created by Jesse Allen, using data obtained from the ladsweb.nascom.nasa.gov/ Goddard Land Processes data archives (LAADS).
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For more than two decades, satellites have been observing seasonal patterns of Earth's vegetation. In eastern North America, the spring ''green up'' is one of the most dramatic changes satellites observe. The panel of images above shows an example of what satellites see each year in the Chesapeake Bay area. In April 2006, the signal from green vegetation was weak (see our earthobservatory.nasa.gov/Library/MeasuringVegetation/ Measuring Vegetation factsheet to learn about how satellites observe...
Topics: What -- Earth, Where -- Chesapeake Bay, Where -- Washington, Where -- Maryland
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8047
NASA Images
by NASA -- NASA Image Of The Day
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The western half of the Arabian Peninsula contains not only large expanses of sand and gravel, but extensive lava fields known as ( for a named field). One such field is the 14,000-square-kilometer Harrat Khaybar, located approximately 137 kilometers to the northeast of the city of Al Madinah (Medina). The volcanic field was formed by eruptions along a 100-kilometer, north-south vent system over the past 5 million years. The most recent recorded eruption took place between 600-700 AD. Harrat...
Topics: What -- Crater, What -- Earth, What -- International Space Station (ISS), Where -- Johnson Space...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8650
NASA Images
by NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS010&roll=E&frame=21965 ISS010-E-21965 was acquired March 30, 2005, with 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 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...
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Compared to Old World settlements like Rome and Alexandria, Cape Cod is fairly young. The area got its name from a little-known explorer, Bartholomew Gosnold, in 1602. Compared to other parts of the world, Cape Cod's geology is fairly young as well; the major forces shaping the landscape all happened within the last 25,000 years. This astronaut photograph, taken from the International Space Station, shows the northernmost parts of the Cape Cod National Seashore, also known as Provincetown Spit....
Topics: Who -- Leroy Chiao, What -- Explorer, What -- International Space Station (ISS), Where -- Rome,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5943
NASA Images
by NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS007&roll=E&frame=12915 ISS007-E-12915 was taken August 18, 2003 with a Kodak DCS760 digital camera equipped with an 800mm 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 scientists...
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All astronauts are interested in observing unique human footprints from space, and especially those reflecting thousands of years of human activities. The region of the Great Pyramids of Giza -- the last remaining wonder of the Seven Wonders of the Ancient World -- is a favorite target. Although the pyramids have been imaged many times before by astronauts (for example: /IOTD/view.php?id=1842 Space Station View of the Pyramids at Giza ) , each new image provides a unique look at the...
Topics: What -- Sun, What -- Sphinx, What -- Earth, Where -- Cairo, Where -- Egypt
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3769
NASA Images
by NASA
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This mosaic image taken by NASA's Wide-field Infrared Survey Explorer, or WISE, features three nebulae that are part of the giant Orion Molecular Cloud--the Flame nebula, the Horsehead nebula and NGC 2023. Despite its name, there is no fire roaring in the Flame nebula. What makes this nebula shine is the bright blue star seen to the right of the central cloud. This star, Alnitak, is the easternmost star in Orion's belt. Wind and radiation from Alnitak blasts away electrons from the gas in the...
Topics: What -- Explorer, What -- WISE, What -- Orion, What -- ALNITAK, What -- Visible Light
Source: http://www.nasa.gov/images/content/507669main_pia13448-full_full.jpg
NASA Images
by 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
NASA Images
by NASA -- Geographic information overlay and image creation provided courtesy of Ned Gardiner, sciencebulletins.amnh.org/ American Museum of Natural History's Science Bulletins . Landsat data obatained from the glcf.umiacs.umd.edu/index.shtml University of Maryland Global Land Cover Facility .
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The Great Smoky Mountains National Park straddles the ridgeline of the Appalachian Mountains in the southern United States. The border between Tennesse to the west and North Carolina to the east runs vertically through the middle of the park. On its route from Maine to Georgia, the Appalachian Trail passes through the center of the park along the ridgeline pictured here. The park was first created in 1934, and it encompasses over 2,000 square kilometers (800 square miles), making it one of the...
Topics: What -- Landsat 7, Where -- The Valley, Where -- United States of America, Where -- North Carolina,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3824
NASA Images
by NASA -- Image courtesy Jacques Descloitres, rapidfire.sci.gsfc.nasa.gov/ MODIS Land Rapid Response Team at NASA GSFC
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Though waters have receded a bit from /NaturalHazards/natural_hazards_v2.php3?img_id=2111 last week's levels , the Fitzroy River in northwestern Australia continues to overflow its banks. The false-color image of the flood was acquired on March 3, 2002, by the modarch.gsfc.nasa.gov/ Moderate-resolution Imaging Spectroradiometer (MODIS), flying aboard NASA's terra.nasa.gov/ Terra spacecraft. The flooding began a week and a half ago when roughly 300 mm of rain poured down on the region in a...
Topics: What -- Terra, Where -- Australia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2245
NASA Images
by NASA -- Image courtesy Jacques Descloitres, modis-land.gsfc.nasa.gov/ MODIS Land Rapid Response Team at NASA GSFC
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A thick pall of sand and dust blew out from the Sahara Desert over the Atlantic Ocean yesterday (January 6, 2002), engulfing the Canary Islands in what has become one of the worst sand storms ever recorded there. In this scene, notice how the dust appears particularly thick in the downwind wake of Tenerife, the largest of the Canary Islands. Perhaps the turbulence generated by the air currents flowing past the island's volcanic peaks is churning the dust back up into the atmosphere, rather than...
Topics: What -- Terra, Where -- Atlantic Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2083
NASA Images
by NASA
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Lightning over the Kennedy Space Center's Launch Pad 39A competes with the xenon lights on the pad illuminating space shuttle Discovery waiting for a scheduled liftoff on the STS-128 mission. Launch was scrubbed due to the weather and another launch attempt is scheduled for Aug. 28. Discovery's 13-day mission will deliver more than 7 tons of supplies, science racks and equipment, as well as additional environmental hardware to sustain six crew members on the International Space Station. The...
Topics: What -- Space Shuttle Orbiter, What -- Discovery, What -- STS-128, What -- International Space...
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1456.html
NASA Images
by NASA -- Photo courtesy Patrick McCracken, NASA Headquarters. This photo was taken using a Kodak digital camera with a 2X telephoto lens.
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Can you guess what is shown in this photo What is the plume extending upward from the ground Why is the top of the plume brighter than its bottom What is the bright object in the lower righthand corner of the picture, and what is the dark, cone-shaped feature that seems to be leaving the plume and converging on the bright object Examine the picture carefully, look at the high-resolution version if you want to, and see if you can figure out the answers to these questions. Then, read the caption...
Topics: What -- Space Shuttle Orbiter, What -- STS-98, What -- Sun, What -- Moon, What -- Earth
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1221
NASA Images
by NASA -- Astronaut photograph http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS007&roll=E&frame=15222 ISS007-E-15222 was taken from the International Space Station on September 22, 2003 with a Kodak DCS760 digital camera equipped with an 400mm lens. Image content was provided by M. Justin Wlkinson (Lockheed Martin / Earth Observations Laboratory, Johnson Space Center). The spaceflight.nasa.gov/ International Space Station Program supports the laboratory to help astronauts take...
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The rugged, mineral-rich Andes support some of the world's biggest mines (gold, silver, copper, and more). This image looks down the bull's-eye of Peru's Toquepala copper mine, a steep sided and stepped open-pit mine. Mid-afternoon sunlight on the arid slopes of the central Andes mountains provides an accent to the mine contours. At the surface the open pit is 2.5 kilometers across, and it descends more than 700 meters into the earth. A dark line on the wall of the pit is the main access road...
Topics: What -- Earth, Where -- Peru
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=3869
NASA Images
by NASA -- Image Courtesy www.jpl.nasa.gov/srtm/ SRTM Team NASA/JPL/NIMA
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This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50-kilometer-wide (30-mile-wide) bull's-eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an eroded circular anticline (structural dome) of layered sedimentary rocks. Extensive sand dunes occur in this region and the interaction of bedrock topography,...
Topics: What -- Crater, What -- Landsat, What -- Shuttle Radar Topography Mission, What -- SRTM, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4602
NASA Images
by NASA -- Image courtesy NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, Where --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1000
NASA Images
by NASA -- Image copyright www.spaceimaging.com/ Space Imaging
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In the heart of the Australian Outback, a massive block of red sandstone rises up out of the near-perfect flatness of the eroded landscape. Called Uluru, or Ayer's Rock, this giant is a monolith 348 meters (1,142 feet) high, 3.6 kilometers (2.2 miles) long, and 9.4 kilometers (5.8 miles) around. It is the largest single rock known in the world. Tourists come from all over the country and the world to watch sunrise and sunset bring the colors of the rock to life. Some also make the challenging...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=5304
NASA Images
by NASA -- NASA Image Of The Day
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Before the late eighteenth century, residents of England didn't necessarily take much interest in the rocks under their feet. The arrival of the Industrial Revolution, however, drew the attention of the country's entrepreneurs downward. England's industrialists began plunging deep underground for coal -- the fossilized remains of ancient swamps -- and carving canals across the countryside to transport it efficiently. In this environment, a geologist named William Smith managed to marry his...
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Topic: What -- GRASP
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8733
NASA Images
by NASA
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President Richard M. Nixon and the Apollo 13 crew salute U.S. flag during the post-mission ceremonies at Hickam Air Force Base, Hawaii. Earlier, the astronauts John Swigert, Jim Lovell and Fred W. Haise were presented the Presidential Medal of Freedom by the Chief Executive. Apollo 13, launched on April 11, 1970, was NASA's third manned mission to the moon. Two day later on April 13 while the mission was en route to the moon, a fault in the electrical system of one of the Service Module's...
Topics: Apollo 13, Who -- Richard M. Nixon, Who -- Jack Swigert, Who -- Jim Lovell, What -- Apollo 13, What...
Source: http://www.nasa.gov/multimedia/imagegallery/image_feature_1327.html
NASA Images
by NASA -- NASA Image Of The Day
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One of the largest open-pit copper mines in the world, the Cananea mine produced over 164,000 tonnes of copper in 2006. The mine is located approximately 40 kilometers south of the border between Arizona and Sonora, Mexico. The active, 2-kilometer-diameter Colorada Pit (image top right) is recognizable in this astronaut photograph by the concentric steps, or benches, cut around its perimeter (see larger image). These benches allow for access into the pit for extraction of ore and waste...
Topics: What -- Earth, What -- International Space Station (ISS), Where -- Arizona, Where -- Johnson Space...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8680
NASA Images
by NASA -- Image provided by the edc.usgs.gov/ USGS EROS Data Center Satellite Systems Branch as part of the Earth as Art II image series
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Turbid waters spill out into the Gulf of Mexico where their suspended sediment is deposited to form the Mississippi River Delta. Like the webbing on a duck's foot, marshes and mudflats prevail between the shipping channels that have been cut into the delta. This scene was acquired by the ASTER instrument on NASA's Terra satellite on May 24, 2001. This false-color composite was created by combining shortwave infrared, infrared, and near-infrared wavelengths (ASTER bands 4, 3, and 2).
Topics: What -- ASTER, What -- Terra, Where -- Gulf of Mexico, Where -- Mississippi
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4526
NASA Images
by NASA -- Image eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=STS039&roll=342&frame=28 STS039-342-28 was provided by the by the eol.jsc.nasa.gov/ Earth Sciences and Image Analysis Laboratory, Johnson Space Center. Additional images taken by astronauts can be viewed at NASA-JSC's eol.jsc.nasa.gov/sseop/ Gateway to Astronaut Photography of Earth.
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Red and green colors predominate in this view of the Aurora Australis photographed from the Space Shuttle in May 1991 at the peak of the last geomagnetic maximum. The payload bay and tail of the Shuttle can be seen on the left hand side of the picture. Auroras are caused when high-energy electrons pour down from the Earth's magnetosphere and collide with atoms. Red aurora occurs from 200 km to as high as 500 km altitude and is caused by the emission of 6300 Angstrom wavelength light from oxygen...
Topics: What -- Space Shuttle Orbiter, What -- Earth, What -- FAST
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1346
NASA Images
by NASA -- NASA images create by Jesse Allen, using imagery provided courtesy of the American Museum of Natural History's Science Bulletins and Damian Evans, University of Sydney.
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Between the ninth and fifteenth centuries AD, deep in the Cambodian jungle, earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16728 Angkor thrived as the capital of a powerful empire. By the time European traders found Angkor in the late sixteenth century, however, the site, including the famous earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16769 Angkor Wat temple, had been largely abandoned. In the centuries that followed, archaeologists have struggled to...
Topics: What -- Airborne Synthetic Aperture Radar, What -- AirSAR, What -- Earth, Where -- The Settlement,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=8170
NASA Images
by NASA -- NASA image created by Jesse Allen, Earth Observatory, using data obtained from the University of Maryland's www.landcover.org/ Global Land Cover Facility.
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Stretching across part of southwestern Bangladesh and southeastern India, the Sundarbans is the largest remaining tract of mangrove forest in the world. The Sundarbans is a tapestry of waterways, mudflats, and forested islands at the edge of the Bay of Bengal. Home to the endangered Bengal tiger, sharks, crocodiles, and freshwater dolphins, as well as nearly two hundred bird species, this low-lying plain is part of the Mouths of the Ganges. The area has been protected for decades by the two...
Topics: What -- Landsat 7, What -- Atlas, What -- Terra, Where -- Bangladesh, Where -- Bay of Bengal
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7028
NASA Images
by NASA -- NASA Earth Observatory images by Robert Simmon, based on data from the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
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Mining for ore has come a long way in the last century. The above images, taken by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) aboard NASA's Terra satellite, show copper mines in Iran. The image on top was created from visible and near-infrared wavelengths detected by the satellite instrument. The light grayish blue and tan patches are copper mines, while vegetation is red. The lower image was generated from three of ASTER's short-wave infrared bands. The bright...
Topics: What -- Advanced Spaceborne Thermal Emission and Reflection Radiometer, What -- ASTER, What --...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=2822
NASA Images
by NASA -- NASA image created by Jesse Allen, Earth Observatory, using data obtained from the University of Maryland's www.landcover.org/ Global Land Cover Facility.
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The Indian Ocean tsunami of December 26, 2004, served as a reminder that nature can be profoundly destructive. Researchers who looked more closely at the tsunami's aftermath, however, learned something else: While destructive, nature is not uniformly so. In the areas that saw the most intense tsunami activity, devastation was unavoidable, but in areas farther away, environmental factors other than proximity affected the damage done by the tsunami. Cuddalore District near the southern tip of...
Topics: What -- Opportunity, What -- Landsat 7, Where -- Indian Ocean
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6902
NASA Images
by NASA -- Image by Rob Simmon, Earth Observatory, NASA Goddard Space Flight Center. Data courtesy Ron Beck, EROS Data Center (EDC)
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The Cerro Grande Fire near Los Alamos, New Mexico, consumed about 47,650 acres and destroyed more than 200 buildings during the month of May 2000. This false-color Landsat 7 image shows much of the damage, even though some of the burn scar (red) is obscured by clouds. This scene covers the same area as the /Newsroom/NewImages/images.php3?img_id=3119 Landsat 7 image from May 9, 2000, previously displayed on the Earth Observatory. (The colors of this image are slightly different due to the very...
Topics: What -- Landsat 7, What -- Earth, Where -- New Mexico
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=639
NASA Images
by 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
NASA Images
by NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS013&roll=E&frame=77351 ISS013-E-77351 was acquired September 5, 2006, with a Kodak 760C digital camera using an 800 mm lens. Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS005&roll=E&frame=11203 ISS005-E-11203 was acquired August 25, 2002 with a Kodak 760C digital camera using a 48 mm lens. Both images are provided by the ISS Crew Earth Observations experiment and the Image...
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The Volga River drains much of western Russia's industrial region as it travels southward to empty into the Caspian Sea. Over thousands of years, the river has built a tremendous delta that forms the northwestern shoreline of the Caspian Sea. The delta channels provide transportation between the heartland of Russia and the oil-rich Caspian Sea. The Volga's extensive distributaries (branches to the sea) harbor habitat and rich fishing grounds for Russia's famous beluga sturgeon, the source of...
Topics: Where -- Caspian Sea, Where -- Russia
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=7047
NASA Images
by NASA -- Image created by Jesse Allen, Earth Observatory using imagery provided courtesy of Tom Sever and Burgess Howell, Marshall Space Flight Center, and www.geoeye.com/ GeoEye.
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Around the eighth century A.D., one of the world's densest populations in human history lived in Central America, thanks to a very efficient method of agriculture and irrigation. The population's prosperity enabled its citizens to build impressive monuments, but after centuries of growth, the civilization disappeared. Today, you might wander through the ruins of an ancient Maya metropolis and not realize it. The jungles of Central America are dense enough to hide objects just a few meters away....
Topics: Where -- Guatemala, Where -- Marshall Space Flight Center (MSFC), Where -- Alabama, Where -- New...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=6293
NASA Images
by NASA -- Image and caption courtesy Owen Kelley, Steve Lang, and Jeff Halverson, NASA's Tropical Rainfall Measuring Mission at Goddard Space Flight Center.
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After an eventful voyage through the Atlantic, Hurricane Jeanne struck the east coast of Florida on Sunday, September 26, 2004, as shown in the image above. The data in this image was collected by the Tropical Rainfall Measuring Mission ( www.trmm.gsfc.nasa.gov/ TRMM ) satellite at 09:47 UTC (4:47 AM EDT), when the storm was at Category 3 on the Saffir/Simpson scale, with sustained surface winds of 110 mph. In the image above, the black bar in the lower left corner is 70 miles long, north is...
Topics: What -- Tropical Rainfall Measuring Mission (TRMM), Where -- Florida, Where -- Dominican Republic,...
Source: http://earthobservatory.nasa.gov/IOTD/view.php?id=4866