M31 versus M33 via NASA http://t.co/VrwyvohiLK http://t.co/vRqIWmLWiP

M31 versus M33 via NASA http://t.co/VrwyvohiLK http://pic.twitter.com/vRqIWmLWiP

— Dean Norris (@geekynerdyone) September 27, 2015

from Twitter https://twitter.com/geekynerdyone

September 27, 2015 at 12:36AM
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