7/10/2013

A NASA science advisory team said Tuesday that the mission of a 2020 Mars rover should be to search for past signs of life, rather than present signs, and collection of samples for return to Earth. "To go and look for simple organisms, or not-so-simple organisms, that are living within that toxic, harsh environment, we just think is a foolish investment of the technology at this time," said the advisory group Chairman John Mustard.

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