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A Hard Look at Thin Clouds

A Hard Look at Thin Clouds

Despite their delicate appearance, thin, feathery clouds of ice crystals calledcirrus may contribute to global warming. Some scientists believe cirrus is quitecommon, but it is notoriously difficult to observe—even from satellites,which offer our only means of monitoring such clouds over…

3 min read
NASA
Sizzling First Images from NASA’s “Thermometer in the Sky”

Sizzling First Images from NASA’s “Thermometer in the Sky”

These four images of Tropical Cyclone Ramasun were obtained July 3, 2002, by theAtmospheric Infrared Sounder (AIRS) experiment system onboard NASA’s Aqua spacecraft. The AIRS experiment, with its wide spectral coverage in four diverse bands, provides the ability to penetrate…

2 min read
NASA
Fires and Heavy Smoke Across Alaska

Fires and Heavy Smoke Across Alaska

Between July 17-19, 2002, Alaska received 12,000 lightning strikes, sparking numerous fires. According to the Alaska Fire Service, record hot and dry conditions since the beginning of August have markedly increased fire activity across the state. This Moderate Resolution Imaging…

2 min read
NASA
Lake Carnegie, Western Australia

Lake Carnegie, Western Australia

Ephemeral Lake Carnegie, in Western Australia, fills with water only during periods of significantrainfall. In dry years, it is reduced to a muddy marsh. This image was acquired byLandsat 7’s Enhanced Thematic Mapper plus(ETM+) sensor on May 19, 1999. This…

1 min read
NASA
Mt. St. Helens and Spirit Lake

Mt. St. Helens and Spirit Lake

high resolution 1000 pixel-wide image Snow still covered the peaks of the Cascade Ranges in mid-June when the STS-111crew photographed Mt. St. Helens from the Space Shuttle Endeavour. From theirvantage point, the crew observed blast zone from the 1980 eruption…

1 min read
NASA
The Earth’s Biosphere

The Earth’s Biosphere

In the last five years, scientists have been able to monitor our changing planetin ways never before possible. The Sea-viewing Wide Field-of-View Sensor(SeaWiFS), aboard the OrbView-2 satellite, has given researchers anunprecedented view of the biological engine that drives life on…

2 min read
NASA
Moscow, Russia

Moscow, Russia

Moscow, the political and economic heart of Russia, sits on the far eastern end of Europe, roughly 1300 kilometers (815 miles) west of the Ural Mountains and the Asian continent. The city boasts a population of nine million and encompasses…

2 min read
NASA
Significant Event Report for Week Ending 8/2/2002

Significant Event Report for Week Ending 8/2/2002

Cassini Significant Event Report For Week Ending 08/02/02 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Tuesday, July 30. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…

5 min read
NASA
Summer Harvest in Saratov, Russia

Summer Harvest in Saratov, Russia

Southern Russia produces roughly 40 percent of the country’s total agricultural output, and Saratov Oblast is the largest producer of grain in the Volga region. Vegetation changes in the province’s agricultural lands between spring and summer are apparent in these…

3 min read
NASA
Hubble Astronomers Feast on an Interstellar Hamburger

Hubble Astronomers Feast on an Interstellar Hamburger

Hold the pickles; hold the lettuce. Space is serving up giant hamburgers. NASA’s Hubble Space Telescope has snapped a photograph of a strange object that bears an uncanny resemblance to a hamburger. The object, nicknamed Gomez’s Hamburger, is a sun-like…

1 min read
NASA
Winter Snow Cover in the Northern Hemisphere

Winter Snow Cover in the Northern Hemisphere

Time series movies: Global Snow Cover Movie Snow Cover over Asia Snow Cover over Europe Snow Cover over North America Snow Cover over the Sierra Nevada Mountains The Moderate Resolution Imaging Spectroradiometer (MODIS), flying aboard NASA’s Terra and Aqua satellites, measures snow cover over the…

2 min read
NASA
Aqua CERES First Light

Aqua CERES First Light

NASA’s latest Earth Observing System satellite—Aqua—is dedicated to advancing our understanding of Earth’s water cycle. Launched on May 4, 2002, Aqua has successfully completed its checkout period and is fully operational. Using multiple instruments, Aqua data and images are crucial…

2 min read
NASA
Bright Water Off Newfoundland

Bright Water Off Newfoundland

A large coccolithophore bloom off the southern coast of Newfoundland colored the normally dark North Atlantic waters a bright turquoise on July 29, 2002. There appears to be another, perhaps larger bloom of a different type of phytoplankton to the…

1 min read
NASA
Smoke, Clouds and Ship Tracks Off California Coast

Smoke, Clouds and Ship Tracks Off California Coast

Smoke from the fires in Oregon and California has drifted far west out over the Pacific Ocean.The plume looks yellowish against the white cloudy background in this SeaWiFS image, acquired on July 29, 2002. Tropical Storm Elida lies to the…

1 min read
NASA
Konari, Iran

Konari, Iran

The Mand River and the small town of Konari nestle in the Zagros Mountains in western Iran. This image was acquired byLandsat 7’s Enhanced Thematic Mapper plus(ETM+) sensor on February 2, 2000. This is a false-color composite image made using…

1 min read
NASA

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