Globular cluster · Milky Way
Omega Centauri
Distance~17,700 ly
Stars~10 million
Black hole≥ 8,200 Suns (candidate)
First notedPtolemy, as a star
The largest and brightest globular cluster in the sky; seven fast-moving stars point to an intermediate-mass black hole.
John Herschel first recognised it as a globular cluster in the 1830s.
Sources
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