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Mars rover find's clues to past environment



Rocks examined by NASA's Spirit Mars Rover hold evidence of a wet, non-acidic ancient environment that may have been favorable for life. Confirming this mineral clue took four years of analysis by several scientists, including Dick Morris of the Johnson Space Center.

   

Recent comments on this video
Comment icon #1 Posted by Earth Child on 5 June, 2010, 7:34
I have a theory that all planets were like Earth at one point, life just eventually took it's toll and died out.
Comment icon #2 Posted by BigfootBuster on 8 June, 2010, 20:25
I have a theory that all planets were like Earth at one point, life just eventually took it's toll and died out. Interresting theory, but I hope you are kidding.


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