New Frontiers in Solar System Exploration (2003) / Chapter Skim
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Mars
Mars
Pages 8-11
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From page 8... ...
Recent MGS data sets indicate that the mass of water ice contained within the martian north and south polar caps is equivalent to a global ocean some 22 to 33 meters deep. Recent observations from the Mars Odyssey spacecraft also suggest a patchy reservoir of water ice beneath the martian surface.
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From page 9... ...
To date, a single set of robotic studies has searched directly for existing life on Mars: the Viking life-detection experiments, which were designed to test for organisms using carbon dioxide or organic molecules in a manner analogous with terrestrial organisms. The results of the Viking experiments very strongly suggest that the materials tested were devoid of organic compounds or other signs of life, but this conclusion has been debated.
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From page 10... ...
These missions include the Mars Exploration Rovers (right) , Mars Express, and Nozomi currently en route to Mars.
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From page 11... ...
I _ ~ _ vul ~~llOL Cl IVI Iy- VbU O11rvvy vl _~ ~4 K~ Although technically challenging, collection and return of martian samples to Earth for intensive study in terrestrial laboratories | is a key scientific priority for the decade beginning in 2013. Advanced rovers may be used to collect samples.
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