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Global Albedo
A new sensor aboard NASA’s Terra satellite is now collecting the most detailed and accurate measurements ever made of how much sunlight the Earth’s surface reflects back up into the atmosphere. By quantifying precisely our planet’s reflectivity, or albedo, the…
Smoke from Canadian Fires Blankets Eastern U.S.
Smoke from multiple large wildfires in Qu‚bec is blanketing the southern portion of the Canadian province and extending southward over the Great Lakes and eastern United States. This image was acquired by the Sea-viewing Wide Field-of-view Sensor (SeaWiFS), flying aboard…
Hunting Dangerous Algae from Space
Although red tides have been reported in Florida since 1530, scientists are still struggling to understand their cause, to predict their occurrence, and to find a way to lessen their impact. Now, a group of scientists in Florida is using…
Smoke from Canadian Fires Blankets Eastern U.S.
Smoke from multiple large wildfires in Quebec is blanketing the southern portion of the Canadian province and extending southward over the Great Lakes and eastern United States. This image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the…
Human Spaceflight Factsheet
Astronaut photography of Earth from the first space flights in the 1960s formed the foundation for the remote sensing technologies that followed.
Iraq Border
In an area north of the city of Al-Basrah, Iraq, which borders Iran, a former wetland has beendrained and walled off. Now littered with minefields and gun emplacments, it is a staging areafor military exercises. This image was acquired byLandsat…
Imperial Valley and Salton Sea, California
Southern California’s Salton Sea is a prominent visual for astronauts.This large lake supports the rich agricultural fields of the Imperial, Coachellaand Mexicali Valleys in the California and Mexico desert. The Salton Sea formedby accident in 1905 when an irrigation canal…
Grizzly Gulch Fire, South Dakota
Burning next door to the South Dakota towns of Deadwood and Lead, the Grizzly Gulch fire forced the evacuation of many residents in the first week of July, 2002. In addition, smoke closed many of the roads in the area.…
Mars Researchers Rendezvous on Remote Arctic Island
Devon Island is situated in an isolated part of Canada’s Nunavut Territory,and is usually considered to be the largest uninhabited island in the world.However, each summer since 1999, researchers from NASA’s Haughton-Mars Projectand the Mars Society reside at this“polar desert”…
Significant Event Report for Week Ending 7/5/2002
Cassini Significant Event Report For Week Ending 07/05/02 The most recent spacecraft telemetry confirms the Cassini spacecraft is in an excellent state of health and is operating normally. Cassini will continue 24-hour Deep Space Network coverage in support of the…
Aircraft Data of the Rodeo/Chediski Fire
New images of Arizona’s Rodeo-Chediski wildfire, which according to news reportsis the largest in the state’s history, have been acquired by NASA’s MODIS Airborne Simulatorflying aboard the space agency’s ER-2 aircraft. The images show the extent ofthe burn area—now more…
El Niño Threatens, but Fizzles (for Now)
For the first two weeks in June, the surface winds and sea surface temperaturesacross the Pacific Ocean began to display an all-too-familiar pattern. Normally,the trade winds in the equatorial Pacific blow from east to west and push warmsurface waters from…
Colorful Fireworks Finale Caps a Star’s Life
Glowing gaseous streamers of red, white, and blue – as well as green and pink – illuminate the heavens like Fourth of July fireworks. The colorful streamers that float across the sky in this photo taken by NASA’s Hubble Space…
New Fires in the Rocky Mountains
As the Rodeo/Chedeski fire in Arizona slowly comes under control,additional fires are springing up in the Rocky Mountain states. TheGrizzly Gulch fire (right) is near the town of Deadwood, South Dakota,in the Black Hills. Officials have evacuated Deadwood and neighboringcommunities.…
Great Sandy Desert
In a small corner of the vast Great Sandy Desert in Western Australia, large sand dunes—the only sand in this desert of scrub and rock—appear as lines stretching from left toright. The light-colored fan shapes are scars from wildfires. This…
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