Globular Star Cluster Messier 15 in Pegasus (Deep field image)
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Stars, like bees, swarm around the center of bright globular cluster Messier 15 (M15) or NGC 7078. The central ball of over 100,000 stars is a relic from the early years of our Galaxy, and continues to orbit the Milky Way's center. M15, one of about 150 globular clusters remaining, is noted for being easily visible with only binoculars, having at its center one of the densest concentrations of stars known, and containing a high abundance of variable stars and pulsars.
This image of M15 was taken by combining very long exposures—122 hours in all—and so brings up faint wisps of gas and dust in front of the giant ball of stars. M15 lies about 35,000 light years away toward the constellation of the Winged Horse (Pegasus).
Release Date: Nov. 26, 2025
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