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View Diary: Glaciers on Mars (63 comments)

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  •  I thought the main problem was that it lacked (2+ / 0-)
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    Bill White, aztronut

    a strong enough magnetic field.  Also that at one time in it's past it had a more active core (or some such thing) and had a much stronger field.  If earth lost its magnetic field, our atmosphere would disappear relatively quickly by solar wind.  

    That said, I'm no scientist.  Though I have dressed as one for Halloween.

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