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Sep 29, 2015 at 19:17 review Late answers
Sep 29, 2015 at 20:43
Mar 26, 2012 at 19:42 comment added Keith Thompson I'm skeptical of that explanation. Near passes between stars, close enough for planets to be captured, (a) are very rare, and (b) don't require galactic collisions to explain them.
Mar 26, 2012 at 19:32 history edited Kevin CC BY-SA 3.0
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Mar 26, 2012 at 10:31 history answered Lord Sardonicus CC BY-SA 3.0