Astrobiology

This article is about  Astrobiology. There is a Goldilocks zone in space and earth is in the just right bit. They believe that mars is also in the just right zone,just.They believe that there may have been life on mars once.Mars and the Mcmurdo dry valley are very similar. So this is the connection that is between earth and mars.We may not be the only planet with living things.

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