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Joanne Simpson, 1923-2010
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Published March 9, 2010
Dr. Joanne Simpson (1923–2010) pores over reams of images of tropical clouds filmed during flights across the tropical Pacific. The photos and her hand-drawn maps of cloud formations became the foundation for her groundbreaking “hot towers” hypothesis about atmospheric circulation in the tropics.
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GOES-P Satellite Launches
Published March 6, 2010
This photo shows the GOES-P satellite launching from Cape Canaveral, Florida, on March 4, 2010.
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To the Moon! Lunar Missions Successfully Launch
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Published June 20, 2009
After waiting out a thunderstorm, NASA’s Lunar Reconnaissance Orbiter and Lunar Crater Observation and Sensing Satellite rocketed off the launch pad at Kennedy Space Center in Cape Canaveral, Florida, at 5:32 p.m. Eastern Daylight Time on June 18, 2009. This photograph captures the pair of spacecraft as they were lifting off.
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Earthrise 1966
Published November 15, 2008
Long before man journeyed to the moon and looked back at the tiny, fragile planet that houses humanity, lunar orbiters were sending back pictures of home.
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Earth and the Moon
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Published July 22, 2008
From 31 million miles away, how could you tell that there was life on Earth? Scientists used the remote vantage point of NASA’s Deep Impact spacecraft to shoot a sequence of images that will help to help answer that question.
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Glacial Retreat
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Published May 15, 2007
Perhaps the most visible sign that Earth’s climate is warming is the gradual shrinking of its glaciers. In North America, the most visited glacier is the Athabasca Glacier, one of six glaciers that spill down the Canadian Rockies from the Columbia Icefield in western Canada.
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Remembering Yoram Kaufman
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Published June 8, 2006
Kaufman served as program manager for NASA’s Earth Observatory from its launch in April 1999, through January 2006.
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Chernobyl, Ukraine
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Published April 26, 2004
On April 26, 1986, the world’s worst nuclear power accident occurred at the Chernobyl Nuclear Power Plant near the Ukrainian-Belarus border. Toxic radionuclides like Cs137 and Sr90 contaminated an area of 155,000 square kilometers in what is today Belarus, Ukraine and Russia. Hundreds of thousands of people were killed, sickened from radiation-induced illnesses, or resettled to uncontaminated land. This image, taken from the Russian Mir spacecraft, shows Chernobyl and the surrounding countryside.
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Smoke Plume
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Published March 3, 2001
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 right-hand 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.
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The Blue Marble from Apollo 17
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Published January 31, 2001
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Polar Stratospheric Clouds
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Published May 26, 2000
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