After 257 days in a locked, windowless steel capsule, researchers on a mock trip to Mars ventured from their cramped quarters in heavy space ...
Mittwoch, 1. Juni 2011
Montag, 30. Mai 2011
NASA craft snaps pics of comet in Valentine fling
A NASA spacecraft zipped past a comet half the size of Manhattan in a Valentine's Day rendezvous that scientists hope will shed light on these ...
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