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View Diary: NASA discovers water on Mercury's poles and University of Texas one of the largest black holes ever (35 comments)

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  •  It's still numerous billions of light years away. (1+ / 0-)
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    The earth will long have become uninhabitable due to the sun's expansion by the time that happens.  

    "A candle loses nothing by lighting another candle" - Mohammed Nabbous, R.I.P.

    by Lawrence on Thu Nov 29, 2012 at 07:58:14 PM PST

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    •  It's only 2 million light years away (1+ / 0-)
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      and we will merge in only a few billion years.

      Don't wait up, even though that is well before our Sun goes supergiant on us.

      America—We built that!

      by Mokurai on Fri Nov 30, 2012 at 09:56:56 AM PST

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