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This site presents clues to suggest that liquid water once flowed on Mars - raising hopes that life could have arisen there - but the evidence remains inconclusive and sometimes contradictory.
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Intended for grade levels:
Type of resource:
Subject:
Technical requirements:
There is an audio file that requires RealPlayer, but the information can also be read as a text file.
Cost / Copyright:
No cost
Copyright and Other Restrictions Information is Unknown.
DLESE Catalog ID:
DWEL-000-000-000-326
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Educational standards:
Resource contact / Creator / Publisher:
Editor:
Dr Tony Phillips NASA's Science Directorate |