A giant, sparkling cluster of about 3,000 stars called Westerlund 2 [6000 x 4800] via /r/spaceporn http://ift.tt/2tJUTYA
via Tumblr http://ift.tt/2tJU69W
A giant, sparkling cluster of about 3,000 stars called Westerlund 2 [6000 x 4800] via /r/spaceporn http://ift.tt/2tJUTYA
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