In a first, scientists took the temperature of a sonic black hole
Lab experiments characterize a phenomenon predicted by cosmologist Stephen Hawking
NOT BLACK Stephen Hawking first proposed that black holes (illustrated) aren’t fully black, but emit a faint haze of particles that came to be known as Hawking radiation. Now scientists have measured the radiation’s temperature in a lab analog of a black hole.
NASA’s Goddard Space Flight Center; Background: DPAC/Gaia/ESA
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