Wanderer: The Discover Magazine link. Or think of it as simply answering the question "where are they?"The question is unanswerable with our current knowledge, but it's still kind of fun to think about. As we learn that there are probably a huge number of planets enough like ours to evolve/sustain life, we should be worrying more about extinction or other permanent cultural sinkholes that would prevent anyone ever venturing from this solar system. |
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