Image: Hubble snaps a crowded cluster | 3/29/2019 | Staff
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Hubble image of Messier 75, taken with the telescope's Advanced Camera for Surveys. Credit: ESA/Hubble & NASA, F. Ferraro et al.

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.

Lies - Milky - Way - Galaxy - Constellation

Messier 75 lies in our Milky Way galaxy in the constellation of Sagittarius (the Archer), around 67,000 light-years away from Earth. The majority of the cluster's stars, about 400,000 in total, are found in its core;...
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