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Aug 29, 2019 · Today, we know them by the name first used by Wheeler in 1967: black holes. Even though the event horizon played an integral part in Schwarzschild’s solution, it took many years before...
Apr 10, 2019 · Hinted at as early as the 1780s and predicted by Einstein’s general theory of relativity, they didn’t get the name we know today until the 1960s. Bizarre beasts that squash gobs of matter into ...
While their enigmatic name was first coined in 1967, the idea of objects whose gravity is so intense not even light can escape them is far older. In 1783, an English cleric and amateur scientist named John Michell showed that Newton’s law of gravity suggested such objects could exist.
Apr 10, 2019 · Black holes were once thought to be only a mathematical curiosity. They were bizarre beasts that squashed gobs of matter into infinitely dense abysses. But bit by bit, astronomers tallied up evidence for black holes’ existence.
The first object discovered widely accepted as a black hole is known as Cygnus X-1, a discovery made by Paul Murdin and Louise Webster in 1971. As its name suggests, it’s an X-ray source in the constellation of Cygnus. X-rays don’t penetrate Earth’s atmosphere, so astronomers discovered it using a rocket launched to the edge of space in 1964.
Dec 28, 2018 · It was there that the nuclear physicist, John A Wheeler, who later popularised the name "black hole", had his first contact with general relativity, and reanalysed Oppenheimer's work.
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Dec 27, 2018 · The measurement of the gravitational waves created in a black hole binary system was the first concrete proof that black holes exist. The crucial phase of our discovery of black holes took...
