Whose theory first predicted black holes as a mathematical possibility?
Quick Answer
Karl Schwarzschild found an exact solution to Einstein’s equations in 1916 that implied the existence of black holes. The term “black hole” came much later.
The Full Story
Karl Schwarzschild, a German physicist, produced the first exact solution to Einstein’s general relativity equations in 1916. His result described what we now call a Schwarzschild black hole, although the concept was not fully understood at the time. The solution identified a critical radius, later called the Schwarzschild radius, where gravity becomes so strong that not even light can escape. Schwarzschild’s work became one of the pillars of black-hole physics.
Key Facts
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"The 1916 math that opened the door to black holes"
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