What is a Black Hole?; Part II

What are black holes? How did scientists discover them? Read and learn everything you need to know about black holes.

Intermediate

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In 1967, Jocelyn Bell Burnell discovered the neutron stars. Her discovery sparked interest in gravitationally collapsed compact objects as a possible astrophysical reality.
Black holes of stellar mass form when very massive stars collapse at the end of their life cycle. After a black hole has formed, it can continue to grow by absorbing mass from its surroundings. Supermassive black holes of millions of solar masses may form absorbing other stars.