이 름 전자우편 홈페이지 제목 비밀번호 (최소 4자이상의 영문 또는 숫자)삭제시필요 payless auto님의 글입니다. :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.