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Crater clusters on Mars:Shedding light on martian ejecta launch conditions
Cratering Mars Meteorites Impact processes
2015/12/25
We have identified two classes of crater clusters on Mars. One class is “small clusters” (crater diameter D ～ tens m, spread over few hundred m), fitting our earlier calculations for the breakup of we...
Launch of UN World Economic and Social Survey 2009: Promoting Development, Saving the Planet
UN World Economic Social Survey 2009 the Planet
2009/8/31
As negotiations for a new global agreement to address climate change enter the final stages before the Copenhagen Climate Change Conference this December, the United Nations is issuing a report on 1 S...
Ground Team Stays Busy on 10th Anniversary of NASA Mars Launch
10th Anniversary Mars Launch red planet
2006/12/4
2006-11-15，Mars Global Surveyor is the oldest of five NASA spacecraft currently active at the red planet, and has operated longer than any other spacecraft ever sent to Mars. Mars Global Surveyor was ...