The Milky Way has a strange twin with a dark secret, and it might help us solve one of the biggest mysteries https://t.co/4FPT051DUl

The Milky Way has a strange twin with a dark secret, and it might help us solve one of the biggest mysteries https://t.co/4FPT051DUl

— iPhoneMaster13 (@iPhoneMaster13) August 26, 2016

from Twitter https://twitter.com/iPhoneMaster13

August 26, 2016 at 01:58AM
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