Sulfur dioxide may have helped maintain a warm early Mars

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Mars
Sulfur dioxide (SO2) may have played a key role in the climate and geochemistry of early Mars, geoscientists at Harvard University and the Massachusetts Institute of Technology suggest in the Dec. 21 issue of the journal Science. Their hypothesis may resolve longstanding questions about evidence that the climate of the Red Planet was once much warmer than it is today.


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All News summaries for December 20, 2007

Judge: Water delivery system harms Calif. salmon

2 hours ago | User rating: not rated yet
(AP) -- A federal judge ruled Friday that California's water systems threaten to push native, wild salmon into extinction but stopped short of ordering any immediate water cutbacks farmers said would have cost them millions ...

Phoenix Mars Lander Continues Tests With Rasp

Jul 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- The team operating NASA's Phoenix Mars Lander plans to tell the lander today to do a second, larger test of using a motorized rasp to produce and gather shavings of frozen ground.

Deep Impact Films Earth as an Alien World

Jul 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA's Deep Impact spacecraft has created a video of the moon transiting (passing in front of) Earth as seen from the spacecraft's point of view 31 million miles away. Scientists are using ...

3-D Views Posted From NASA's Phoenix Mars Lander

Jul 18, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA's Phoenix Mars Mission has released stereo images of the Martian surface near the Phoenix lander. The images in the new 3-D Gallery combine views from the left and right "eyes" of the ...

The International Space Station, a test-bed for future space exploration

Jul 18, 2008 | User rating: not rated yet
The Heads of the International Space Station (ISS) Agencies from Canada, Europe, Japan, Russia and the United States met today at ESA Headquarters in Paris, France, to review ISS cooperation.