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How Common Are Black Holes?

The concept of black holes goes all the way back to the 1780s.

RELATED TOPICS: GREATEST MYSTERIES | BLACK HOLES
Blast
BLAST BORN. A stellar-mass black hole in a binary system hurtles through the plane of a galaxy after the black hole’s creation in a supernova explosion. This imaginative artwork reveals the bipolar jet emanating from the black hole’s center.
ESA

On the heels of Einstein’s general theory of relativity, German theoretical astrophysicist Karl Schwarzschild provided a detailed proposal on the existence of black holes in 1916. The concept of black holes goes all the way back to the 1780s, when John Michell and Pierre Simon Laplace envisioned “dark stars” whose gravity was so strong that not even light could escape. As with many startling ideas, the acceptance of black holes as real objects took a long time.


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