this post was submitted on 18 Sep 2026
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I think it's pretty likely there are other living worlds in our galaxy given that life likely arose on our planet multiple times in different conditions spontaneously. I think it's also pretty likely Mars still has something going on deep in it's crust (given we keep finding complex life miles deep in our own crust, some colonies of simple life have even been embedded inside of rocks for nearly a million years) and the fact that the inner solar system planets regularly exchange rocks with each other. I think it's fairly likely most bodies in the solar system have been contaminated by earth, other bodies, or by humans at this point, and that life will look pretty alien to us but may not be multicellular.
Generally, I think life is surprisingly hardy. Those worlds may not be livable for us but I'd bet you most solar systems have a little something going on somewhere, but we may not be able to discover it due to the costs and time involved to do so.