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View Diary: Mars Rock Stuns NASA Scientists (162 comments)

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  •  You're off to a good start. (1+ / 0-)
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    Aunt Pat

    Start with this NASA link about Meteorites from Mars

    Mars has low gravity, a very thin atmosphere, supervolcanoes and is close to the asteroid belt, a source of many impactors.  Orbits of objects ejected into space near Mars can be sent earthward by interactions between the gravity fields of the objects, Jupiter, Mars and the sun. There's enough rubble in space from the asteroid belt near Mars that collisions between space rocks result in some of them getting knocked into earth crossing orbits.

    look for my eSci diary series Thursday evening.

    by FishOutofWater on Sun Oct 14, 2012 at 12:32:44 PM PDT

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