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These black holes could be the seeds of the supermassive black holes found in the centres of most galaxies. [128] It has further been suggested that massive black holes with typical masses of ~10 5 M ☉ could have formed from the direct collapse of gas clouds in the young universe. [124]
Description of Michell's theory of black holes "Mystery at the Rectory: some light on John Michell" by Richard Crossley at the Wayback Machine (archived 31 October 2008) John Michell biography, from "Our Place in the Universe" by Norman K. Glendenning; BBC: "The forgotten priest who predicted black holes – in 1783"
1972 — Jacob Bekenstein suggests that black holes have an entropy proportional to their surface area due to information loss effects; 1974 — Stephen Hawking applies quantum field theory to black hole spacetimes and shows that black holes will radiate particles with a black-body spectrum which can cause black hole evaporation
Scientists have discovered the oldest black hole yet, a cosmic beast formed a mere 470 million years after the Big Bang. ... With X-rays "you’re actually capturing the gas that is being ...
Wheeler and Edwin F. Taylor wrote Spacetime Physics (1966) and Scouting Black Holes (1996). Alluding to Wheeler's "mass without mass", the festschrift honoring his 60th birthday was titled Magic Without Magic: John Archibald Wheeler: A Collection of Essays in Honor of his Sixtieth Birthday (1972). His writing style could also attract parodies ...
UCLA astronomer Andrea Ghez explains the remarkable photo of Sagittarius A*, the black hole at the center of the Milky Way.
In 1974, Stephen Hawking predicted that black holes might not be the bottomless pits we imagine them to be. According to Hawking's calculations, some information might escape black holes in the ...
In 1981, he proposed that information in a black hole is irretrievably lost when a black hole evaporates. This information paradox violates the fundamental tenet of quantum mechanics, and led to years of debate, including "the Black Hole War" with Leonard Susskind and Gerard 't Hooft. [126] [127] Hawking at an ALS convention in San Francisco in ...