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RE: [밤하늘의 물리학] Chapter 13. 별의 최후와 갈색 왜성, 행성상성운, 백색 왜성, 초신성, 중성자별, 블랙홀의 탄생

in #kr • 9 years ago

Cheer Up! 음~? 흥미로운 포스팅이군요.

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9 years ago in #kr by
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