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Dirtyfist

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Dirtyfist

If an object the size of Earth were orbitting earth...?

what would the environmental affects on our planet be if we had an object of similar mass/density/size as the Earth orbitting around us instead of the moon? Also how would it affect out...
05:41 Thu 23rd Jun 201113 answers, last by modeller 20:37 Sun 10th Jul 2011

Only 1 question