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Dark Hole (Korean: 다크홀; RR: Dakeuhol) is a South Korean television series starring Kim Ok-vin and Lee Joon-hyuk. [1] The fifth series of OCN 's "Dramatic Cinema" project which combines film and drama formats, premiered on OCN TV on April 30, 2021.
SMSS J215728.21-360215.1, commonly known as J2157-3602, is one of the fastest growing black holes and one of the most powerful quasars known to exist as of 2021.The quasar is located at redshift 4.75, [1] corresponding to a comoving distance of 2.5 × 10 10 ly from Earth and to a light-travel distance of 1.25 × 10 10 ly.
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Barnard 92 (abbreviated to B92) is a dark nebula located in the Small Sagittarius Star Cloud.It was discovered by American astronomer Edward Emerson Barnard.. B92 was initially referred to as "the black hole," [2] given its appearance, after it was first catalogued in 1913. [3]
The supermassive black hole at the core of Messier 87, here shown by an image by the Event Horizon Telescope, is among the black holes in this list.. This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms.
A black hole is a region of spacetime where gravity is so strong that nothing, not even light, can escape it. [2] Albert Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. [3] [4] The boundary of no escape is called the event horizon.
In astrophysics, an event horizon is a boundary beyond which events cannot affect an outside observer. Wolfgang Rindler coined the term in the 1950s. [1]In 1784, John Michell proposed that gravity can be strong enough in the vicinity of massive compact objects that even light cannot escape. [2]