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Flying over Arctic Sea Ice
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Published April 1, 2011
Taken from a low-flying airplane on March 26, 2011, these detailed photos of Arctic sea ice show the richly varied texture in the ice floe.
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Electricity Losses in Northeastern Japan
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Published March 19, 2011
This color-coded composite image shows lights working or not after the earthquake and tsunami in Japan. The image compares observations from March 12, 2011, to data collected in 2010.
Fresh Craters on the Moon and Earth
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Published August 13, 2009
Throughout their histories, both the Moon and Earth have been bombarded by meteorites and asteroids, which often leave behind dramatic impact craters.
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NASA Radar Provides 3-D View of San Andreas Fault
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Published June 23, 2009
Where the Pacific plate and North American plate meet, the intense pressure of the collision creates an 800-mile-long fracture zone.
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Mars and Earth: Columnar Jointing
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Published June 10, 2009
Although Mars is in many ways quite different from Earth—smaller, colder, drier, and hostile to life—the geology of the two worlds is sometimes quite similar. Columnar jointing—a distinctive pattern of hexagonal cracks—is visible in rocks on both planets.
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