Hubble Uncovers a Concentration of Small Black Holes (IMAGE)
Caption
The amount of mass a black hole can pack away varies widely from less than twice the mass of our Sun to over a billion times our Sun's mass. Midway between are intermediate-mass black holes weighing roughly hundreds to tens of thousands of solar masses. So, black holes come small, medium, and large.
Credit
NASA, ESA, T. Brown, S. Casertano, and J. Anderson (STScI)
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