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PostPosted: January 12th, 2017, 1:10 pm 
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Joined: October 12th, 2009, 12:29 pm
Posts: 177
Location: Sorrento, LA
Astronomers have observed the motion of distant star clusters to measure our galaxy’s mass. The new estimate places the Milky Way in the lightweight class of galaxies.

http://www.skyandtelescope.com/astronom ... milky-way/

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