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TIL The Andromeda galaxy is approaching us at 250,000 miles per hour ( 402,000 km/h).

http://Wikipedia.org
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g6cl9g/til_the_andromeda_galaxy_is_approaching_us_at/

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Wikipedia.org
#TIL #todayilearned
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