Transfer of life between the planets of Gliese 581
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Lazarus dF star
Number of posts : 3337 Registration date : 2008-06-12
Subject: Transfer of life between the planets of Gliese 581 21st March 2012, 3:38 am
Well it doesn't look likely: material ejected from planet d by impacts mostly either re-impacts planet d or escapes from the system, the probability of hitting another of the system's planets is very low.