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Fires in the Great Plains
Before European colonization of North America’s Great Plains, spring and summer fires, triggered both by lightning and by Native Americans who used the fires to drive game, would race across the prairies, suppressing invasion from woody plants and hastening the…
Surprise Snow in Colorado
A surprise storm buried sections of Colorado with as much as 61 centimeters (24 inches) of snow on April 10, 2005. According to the Associated Press, the spring storm cancelled flights and closed a major interstate highway, stranding travelers. The…
Titan Flyby 5 (T-5): Apr. 16, 2005
Map of Titan’s surface illustrates the regions that will be imaged by Cassini during the spacecraft’s close flyby of the haze-covered moon on April 16, 2005. At closest approach, the spacecraft is expected to pass approximately 1,025 kilometers (637 miles)…
Cassini Significant Events for 04/07/05 – 04/13/05
Cassini Significant Events for 04/07/05 – 04/13/05 April 15, 2005 (Source: JPL) Cassini Significant Events for 04/07/05 – 04/13/05 The most recent spacecraft telemetry was acquired Wednesday from the Goldstone tracking station. The Cassini spacecraft is in an excellent state…
Waves on White: Ice or Clouds
As it passed over Antarctica on December 16, 2004, the Multi-angle Imaging SpectroRadiometer (MISR) on NASA’s Terra satellite captured this image showing a wavy pattern in a field of white. At most other latitudes, such wavy patterns would likely indicate…
Spring Bloom
On April 11, 2005, the Gulf of Alaska was showing signs of spring. These colorful images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite show a bloom of ocean plant life along a weak temperature front (a…
Fires in Central America
On April 10, 2005, scores of fires in southern Mexico and northern Guatemala were billowing smoke that spread northward over the Gulf of Mexico. This image of the region was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s…
Rollout of Shuttle Discovery, Kennedy Space Center
International Space Station Astronaut Leroy Chiao, like the rest of NASA, tracks key milestones for the Space Shuttle Return-to-Flight operations. A lucky overpass of the Space Station over Florida on April 6, 2005, allowed Leroy and his crew mate Salizhan…
Valley Fog in Lake Tahoe
Smooth white fog fills the crevices of the western landscape like spilled milk puddling on an uneven platter. Up close, the low-lying cloud has a consistency that is closer to oatmeal, with ripples and clots through which the black surface…
OMI Sees the Soot Within Smoke
In the summer of 2004, more than 6.7 million acres went up in flames in Alaska. Smoke spread as far as Texas and Newfoundland. On August 21, 2004, two NASA satellites observed thick layers of soot-laced smoke billowing from the…
Unique Weather Yields Record Crops
Farmers never expect the weather to be perfect; there’s always that unexpected storm, the early frost, or endlessly sunny, dry skies. But in 2004, Mother Nature treated U.S. farmers to a nearly perfect summer, the best on record. As a…
Cassini Significant Events for 03/31/05 – 04/06/05
Cassini Significant Events for 03/31/05 – 04/06/05 April 8, 2005 (Source: JPL) The most recent spacecraft telemetry was acquired Wednesday from the Goldstone tracking station. The Cassini spacecraft is in an excellent state of health and is operating normally. Information…
Spring Floods in Central Europe
Spring run-off fills the rivers of Central Europe in this Moderate Resolution Imaging Spectroradiometer (MODIS) image, collected by NASA’s Terra satellite on April 3, 2005. Melting snow has swollen the Danube River and its tributaries. In 2005 (top image), the…
High Water: Building A Global Flood Atlas
For more than a decade, geologist Bob Brakenridge has been pioneering the use of satellite data for monitoring floods.
Eruption of Anatahan
A thick cloud of ash erupts from the Anatahan Volcano in this Moderate Resolution Imaging Spectroradiometer (MODIS) image collected on April 5, 2005. According to the Washington Volcanic Ash Advisory Center, a series of low-level eruptions starting on April 4…
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Descobertas, missões espaciais, pesquisas e avanços tecnológicos da agência espacial americana.