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How massive can a globular cluster be compared with the Sun?

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Dense cluster of thousands of stars forming a bright, spherical shape in the night sky, representing globular cluster M13. — Globular cluster Globular cluster M13.

Globular clusters are among the most massive star clusters in the Milky Way Galaxy. Their masses, which are determined by measuring the velocity dispersion of their individual stars, range from a few thousand to more than one million times the mass of the Sun.12