Seven minutes of terror Curiosity descent http://www.youtube.com/watch?v=gZX5GRPnd4U Google Mars
Mars: Take-away messages Although smaller than Earth, Mars and Earth are similar in many ways. Mars and Earth have similar interiors, although Mars has no liquid outer core, and so no magnetic field. Mars geology is/was formed by cratering, volcanism, tectonics and erosion by wind AND WATER! (Plate tectonics doesn’t seem to have been important) Mars’s atmosphere is very different from Earth’s - lower mass, and full of CO2. Mars’s small atmosphere and low temperature makes liquid water unstable at its surface (at least right now).
Percival Lowell’s Mars Lowell’s Map of Mar published in 1895
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