9.19.05 - o And rocks that were lava o And rocks(goethite that cannot form without water o Concretions • Habitable environment must have o

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September 19, 2005 – MARS Mars Polar Caps Light/dark marks on surface that changed with season Seasons Light & dark stuff – light and dark dust and sand Mars is cold and dry and desolate BUT in the past is was different, o Pictures show evidence that there were once rivers there and it was warm o
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Unformatted text preview: o And rocks that were lava o And rocks (goethite) that cannot form without water. o Concretions • Habitable environment must have: o Metabolic energy source (e.g sunlight, thermal vents) o SCHNOPP – These biogenical elements o Liquid water • The Rover Announcements: • Explorations Assignments this week! •...
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This note was uploaded on 02/11/2008 for the course BIO G 101 taught by Professor Gilbert,c. during the Fall '07 term at Cornell University (Engineering School).

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