Mars scientist explains why NASA chose Gale Crater for new rover

Thursday, August 2, 2012 - 09:01 in Astronomy & Space

NASA chose Gale Crater as a landing site for its Mars Science Laboratory rover because the giant crater probably had conditions that may have once hosted life. The bottom layers near the crater floor "have minerals in them that form in water," says Philip Christensen, Regents' Professor of Geological Sciences in ASU's School of Earth and Space Exploration.

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