This image from NASA’s Hubble Space Telescope shows Messier 3 (M3), one of the Milky Way’s most massive globular clusters, or spherical collections of gravitationally bound stars. Globular clusters are made up of ancient stars that formed around the same time from the same cloud of gas, giving them similar ages. About 150 known globular
This image from NASA’s Hubble Space Telescope shows Messier 3 (M3), one of the Milky Way’s most massive globular clusters, or spherical collections of gravitationally bound stars. Globular clusters are made up of ancient stars that formed around the same time from the same cloud of gas, giving them similar ages. About 150 known globular clusters are scattered across the outer regions of the Milky Way.
Learn more about M3.
Image credit: NASA, ESA and A. Sarajedini (Florida Atlantic University); Processing: Gladys Kober (NASA/Catholic University of America)
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