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Re: Saturn’s rings have their own atmosphere
Isn't one theory of how life began on earth, that it was seeded by debris from other parts of the galaxy slamming into the earth in the past? Why then wouldn't such theorists presume the same seeds were scattered throughout other parts of the solar system? Given the persistance of life forms (especially microbial ones) to survive or adapt to harsh conditions, would supporters of this theory not expect that they might exists in any area with an atomoshpere and water of any sort?
I'm not sure how much support there is for this particular theory. It is something I thought I heard in the past, and which came to mind given this discussion. Also, isn't one of Jupiter's moons (Europa?) suspected of having liquid (water?) oceans undera crust of thick ice? What are the discussions of the possibilities of life here?
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