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I would expect to find life on other worlds. Simple life probably isn't that hard to find. Complex life might be a lot rarer. But unless it was coming to see us on a daily basis (I'm no saucer believer), it wouldn't rock my world much. I already assume that it's out there.
The other question, what if intelligent life was discovered "out there," and it was you. Nobody really knows the size of the universe, and some believe that it may in fact be truly infinite. Scientists have calculated that in a really hellaciously and astounding large but finite amount of space, all possible configurations of matter would reoccur several times; like say, maybe the earth as it now exists and all space in a 100-light-year radius. If that's true, some of the intelligent life out there is _you._
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