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Southern Sierra Nevada and Owens Lake
Astronauts aboard the International Space Station looked obliquely down at the steep eastern flank of California’s Sierra Nevada. Even from space the topography is impressive. The range drops nearly 11,000 feet from Mt. Whitney (under cloud, arrow), the highest mountain…
Ship Tracks off Europe’s Atlantic Coast
An unusually high number of ship tracks were visible in the clouds off of the coasts of France and Spain in these true- and false-color images from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite on January 27,…
Relief Map, Yucatan Peninsula, Mexico
This shaded relief image of Mexicoâs Yucatan Peninsula show a subtle, but unmistakable, indication of the Chicxulub impact crater. Most scientists now agree that this impact was the cause of the Cretaceous-Tertiary Extinction, the event 65 million years ago that…
Significant Event Report for Week Ending 3/7/2003
Cassini Significant Event Report For Week Ending 03/07/03 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, March 5. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Drought and Burn Scars in Southeastern Australia
browse image of orbit 16858 (270 KB JPEG) More than 2 million acres were consumed by hundreds of fires betweenDecember 2002 and February 2003 in southeastern Australia’s nationalparks, forests, foothills and city suburbs. These images were acquiredon February 14, 2002…
Hubble Resolves a Blaze of Stars in a Galaxy’s Core
The central region of the small galaxy NGC 1705 blazes with the light of thousands of young and old stars in this image, taken by NASA’s Hubble Space Telescope. At 17 million light-years away, the individual stars of the dwarf…
Spring bloom in the Arabian Sea
Every spring the waters of the Arabian Sea begin swarming with microscopic life. Tiny plants called phytoplankton, the base of the marine food chain, grow in the sunlight provided by the lengthening days. This image from the Sea-viewing Wide Field-of-view…
East Coast Snow Storm
The winter of 2002-03 has brought unusually high levels of snow and rain to the east coast of the United States. Much of the region is still covered by snow (white pixels). This melting snow and rain in the mid-Atlantic…
Saharan Dust off West Africa
An intense African dust storm sent a massive dust plume northwestward over the Atlantic Ocean on March 2, 2003. In this true-color scene, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite, the thick dust plume (light…
Map of the Human Footprint
The Human Footprint is a quantitative analysis of human influence across the globe. In this map, human impact is rated on a scale of 0 (minimum) to 100 (maximum) for each terrestrial biome. A score of 1 indicates the least…
Panama Canal
The Panama Canal is a 50-mile long engineering wonder connecting theCaribbean Sea and the Pacific Ocean. Completed by the United States in1914, it runs southeastward from Colon, through the man-made Gatun Lake,to Panama City on the Pacific side of the…
Iceberg C-19 in the Ross Sea, Antarctica
animations: small (2.5 MB MPEG) large (7.7 MB MPEG) When the sun rose over Antarctica after months of polar darkness, itrevealed that a new, large iceberg had calved off the Ross Ice Shelf (bottom left) duringAntarctica’s long, dark winter. A companion to…
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