Lists Of Black Holes

	Lists Of Black Holes This is a list of lists of black holes: * List of black holes. * List of most massive black holes * List of nearest known black holes See also * Lists of astronomical objects This is a list of lists, grouped by type of astronomical object. Solar System * List of Solar System objects * List of gravitationally rounded objects of the Solar System * List of Solar System objects most distant from the Sun * List of ... {{DEFAULTSORT:Black holes * Lists of astronomical objects ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Black Hole A black hole is a region of spacetime where gravity is so strong that nothing, including light or other electromagnetic waves, has enough energy to escape it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizon. Although it has a great effect on the fate and circumstances of an object crossing it, it has no locally detectable features according to general relativity. In many ways, a black hole acts like an ideal black body, as it reflects no light. Moreover, quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass. This temperature is of the order of billionths of a kelvin for stellar black holes, making it essentially impossible to observe directly. Objects whose gravitational fields are too strong for light to escape were fi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	List Of Black Holes This list of black holes (and stars considered probable candidates) is organized by mass (including black holes of undetermined mass); some items in this list are galaxies or star clusters that are believed to be organized around a black hole. Messier and New General Catalogue designations are given where possible. Supermassive black holes and candidates * 1ES 2344+514 * Ton 618 (this quasar has possibly the biggest black hole ever found, estimated at 66 billion solar masses) * 3C 371 * 4C +37.11 (this radio galaxy is believed to have binary supermassive black holes) * AP Lib S5 0014+81 (said to be a compact hyperluminous quasar, estimated at 40 billion solar masses) 17:53:24 GMT. APM 08279+5255 (contains one of the largest black holes, estimated at 10-23 billion solar masses; previous candidate for largest) * Arp 220 * Centaurus A * Fornax A * HE0450-2958 * IC 1459 * Messier 31 (or the Andromeda Galaxy) * Messier 32 * Messier 51 (or the Whirlpool Galaxy) * Mess ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	List Of Most Massive Black Holes This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (), approximately . Introduction A supermassive black hole (SMBH) is an extremely large black hole, on the order of hundreds of thousands to billions of solar masses (), and is theorized to exist in the center of almost all massive galaxies. In some galaxies, there are even binary systems of supermassive black holes, see the OJ 287 system. Unambiguous dynamical evidence for SMBHs exists only in a handful of galaxies; these include the Milky Way, the Local Group galaxies M31 and M32, and a few galaxies beyond the Local Group, e.g. NGC 4395. In these galaxies, the mean square (or root mean square) velocities of the stars or gas rises as ~1/r near the center, indicating a central point mass. In all other galaxies observed to date, the rms velocities are flat, or even falling, toward the center, making it impossible to state with certainty tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	List Of Nearest Known Black Holes This is a list of known black holes that are close to the Solar System, which Earth is part of. It is thought that most black holes are solitary, but black holes in binary or larger systems are much easier to detect. Solitary black holes can generally only be detected by measuring their gravitational distortion of the light from more distant objects. As of February 2022, only one isolated black hole has been detected, OGLE-2011-BLG-0462, around 5,200 light-years away. For comparison, the nearest star to the Sun is about away, and the Milky Way galaxy is approximately 105,000 light years in diameter. List See also * List of black holes * List of most massive black holes * Lists of astronomical objects * NGC 3201 – a globular cluster with many black holes * NGC 7727 – a galaxy with the closest confirmed binary black hole A binary black hole (BBH) is a system consisting of two black holes in close orbit around each other. Like black holes themselves, binary black h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Lists Of Astronomical Objects This is a list of lists, grouped by type of astronomical object. Solar System * List of Solar System objects * List of gravitationally rounded objects of the Solar System * List of Solar System objects most distant from the Sun * List of Solar System objects by size * Lists of geological features of the Solar System * List of natural satellites (moons) * Lists of small Solar System bodies * Lists of comets * List of meteor showers ; Minor planets * List of minor planets List of exceptional asteroids List of minor planet moons List of damocloids List of centaurs (small Solar System bodies) List of trans-Neptunian objects List of unnumbered minor planets List of dwarf planets List of possible dwarf planets Exoplanets and brown dwarfs * Lists of planets * Lists of exoplanets ** List of largest exoplanets * List of brown dwarfs Stars * Lists of stars List of nearest stars and brown dwarfs List of brightest stars List of h ... [...More Info...] [...Related Items...] OR:** [Wikipedia] [Google] [Baidu]
picture info	Black Holes A black hole is a region of spacetime where gravity is so strong that nothing, including light or other electromagnetic waves, has enough energy to escape it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizon. Although it has a great effect on the fate and circumstances of an object crossing it, it has no locally detectable features according to general relativity. In many ways, a black hole acts like an ideal black body, as it reflects no light. Moreover, quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass. This temperature is of the order of billionths of a kelvin for stellar black holes, making it essentially impossible to observe directly. Objects whose gravitational fields are too strong for light to escape were first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]