Hubble Snaps a Crowded Cluster

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.

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NASA Image of the Day

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