What is a Black Hole? We Asked a NASA Expert
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Summary
A NASA scientist explains the nature of black holes, their formation, and the difference between stellar-mass and supermassive black holes.
Highlights
Defining Black Holes00:00:00
Black holes are not actual holes but regions in space with gravitational pulls so intense that nothing, including light, can escape them.
Stellar-Mass Black Holes00:00:20
Stellar-mass black holes form when massive stars run out of fuel and collapse under their own gravity, resulting in a supernova explosion.
Supermassive Black Holes00:00:54
Supermassive black holes, found in almost every galaxy, have masses equivalent to millions or billions of suns; their exact formation remains a mystery and a subject of ongoing research.
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