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You are viewing a single comment's thread from:

RE: 아마추어 천문학자가 최초로 초신성 탄생을 관측

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virus707 (78)in #kr • 8 years ago

이제 봄날씨네요.
^^가볍게 스트레칭해봅니다

8 years ago in #kr by virus707 (78)
$0.00
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