News tagged with goddard space flight center

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Colliding auroras produce an explosion of light

Space & Earth / Space Exploration

Dec 17, 2009 | 4.8 / 5 (8) | 0

(PhysOrg.com) -- A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, ...

Ecosystem, vegetation affect intensity of urban heat island effect

Space & Earth / Earth Sciences

Dec 15, 2009 | 5 / 5 (2) | 0

NASA researchers studying urban landscapes have found that the intensity of the "heat island" created by a city depends on the ecosystem it replaced and on the regional climate. Urban areas developed in arid and semi-arid ...

New results from a terra-ific decade in orbit

Space & Earth / Earth Sciences

Dec 15, 2009 | 5 / 5 (1) | 0

December 18, 2009, marks the tenth year since the launch of Terra, one of NASA's "flagship" Earth observing satellites. But the decade is more than just a mechanical milestone. With each additional day and ...

A unique geography -- and soot and dust -- conspire against Himalayan glaciers

Space & Earth / Earth Sciences

Dec 15, 2009 | 4 / 5 (2) | 1

"So many disparate elements, both natural and man-made, converge in the Himalayas," said William Lau, a climatologist from NASA's Goddard Space Flight Center in Greenbelt, Md. "There's no other place in the ...

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