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名前：Walter日付：2014/12/31 08:50:31
How would you like the money? buy parlodel But after studying it with the Hubble Space Telescope, the Chandra X-ray Observatory and the Gemini telescope, an international team of astronomers concluded that this strange, bright source was probably only 20 to 30 solar masses – which would probably make it more like a single-star black hole.
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