This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known globular star clusters in the Milky Way galaxy. Located about 28,000 light-years from Earth, M80 contains hundreds of thousands of stars, all held together by their mutual gravitational attraction. [1777 × 1864] via /r/spaceporn http://ift.tt/2tPDazS
via Tumblr http://ift.tt/2vgyJgI
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