Supermassive Black Holes (IMAGE)

Simons Foundation

Supermassive Black Holes

Caption

A galaxy roughly 2.5 billion light-years away has a pair of supermassive black holes (inset). The locations of the black holes are lit up by warm gas and bright stars that surround the objects. The finding improves estimates of when astronomers will first detect gravitational wave background generated by supermassive black holes.

Credit

A.D. Goulding et al./Astrophysical Journal Letters 2019

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