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Melt Season in the Arctic Getting Longer
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Published January 29, 2010
Satellite data revealed changes in the average start of spring melting and the first autumn freeze.
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Amount of Old Ice in Arctic Hits Record Low in February 2009
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Published April 10, 2009
This pair of maps shows how the sea ice covering the Arctic at winter maximum in 2009 is younger than it was in the past.
Melting on the Greenland Ice Cap, 2008
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Published February 25, 2009
The northern fringes of Greenland's ice sheet saw extreme melting in 2008, according to NASA scientist Marco Tedesco and his colleagues.
City Lights, 2003
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Published November 29, 2008
Observations collected at night shed light on the changing face of our planet.
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Arctic Sea Ice Younger than Normal
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Published March 25, 2008
In the Arctic, sea ice extent fluctuates with the seasons. It reaches its peak extent in March, near the end of Northern Hemisphere winter, and its minimum extent in September, at the end of the summer thaw. In September 2007, Arctic sea ice extent was the smallest area on record since satellites began collecting measurements about 30 years ago.
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Lunar Eclipse from Orbit
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Published March 13, 2008
On February 20, 2008, sky gazers from the central Pacific to Africa saw the full Moon turn a striking red as it passed into Earth’s shadow. From space, the lunar eclipse deepened the darkness of the night. The Defense Meteorological Satellite Program’s (DMSP) F16 satellite captured this view of the eclipse as the satellite flew over the nighttime side of the Earth in a series of overpasses.
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Blackout Leaves American Cities in the Dark
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Published August 17, 2003
A power outage left many major American cities in the dark on August 14, 2003. The blackout was apparent from the perspective of space in this pair of DMSP satellite images.
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City Lights of Europe
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Published December 5, 2000
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Earth’s City Lights
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Published October 23, 2000
Earth's city lights are clearly visible from space.
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