Hubble snaps a crowded cluster

This sparkling burst of stars is Messier 75. It is a globular cluster: a spherical collection of stars bound together by gravity. Clusters like this orbit around galaxies and typically reside in their outer and less-crowded areas, gathering to form dense communities in the galactic suburbs.

from Latest Science News -- ScienceDaily http://bit.ly/2V1uJSP

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