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This is a list of known black holes that are close to the Solar System. It is thought that most black holes are solitary, but black holes in binary or larger systems are much easier to detect. [1] Solitary black holes can generally only be detected by measuring their gravitational distortion of the light from more
Cygnus X-1 (abbreviated Cyg X-1) [11] is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole. [12] [13] It was discovered in 1964 during a rocket flight and is one of the strongest X-ray sources detectable from Earth, producing a peak X-ray flux density of 2.3 × 10 −23 W/(m 2 ⋅Hz) (2.3 × 10 3 jansky).
Astronomers have found the most massive stellar black hole to date in ... closest known black hole to Earth. The closest black hole is Gaia BH1, which is located about 1,500 light-years away and ...
The discovery team also found a second system that is a candidate for containing a black hole, which was also reported by another team of astronomers, [3] [6] and was confirmed in 2023 as Gaia BH2. [7] The black hole was also independently detected by a second team, who found slightly different parameters. [8]
Now, an international team of astronomers analyzing over 500 images across 20 years from NASA’s Hubble Space Telescope report that they’ve identified a black hole some 17,700 light-years away ...
That star orbits the black hole every 6-1/2 days at a distance only about one-seventh of that separating Earth and the sun. The black hole appears to be siphoning material off this star, which had ...
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.
Supermassive black holes, regions of space where the pull of gravity is so intense that even light doesn't have enough energy to escape, are often considered terrors of the known universe.