Globular clusters are spherical collections of up to perhaps a million stars, orbiting mostly in the star halo of spiral galaxies, containing some of a galaxy’s oldest stars. Source: https://earthsky.org/space/definition-what-is-a-globular-cluster…
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Globular clusters are spherical collections of up to perhaps a million stars, orbiting mostly in the star halo of spiral galaxies, containing some of a galaxy’s oldest stars. Source: https://earthsky.org/space/definition-what-is-a-globular-cluster…