Region that has a no-return boundary. A black hole is a massive, compact astronomical object so dense that its gravity prevents anything from escaping, even light. Albert Einstein's theory...
Largest type of black hole. A supermassive black hole (SMBH or sometimes SBH) is the largest type of black hole, with its mass being on the order of hundreds of thousands, or millions...
Hypothetical black holes of very small size. Micro black holes, also called mini black holes or quantum mechanical black holes, are hypothetical tiny (<1 M☉) black holes, for which quantum mechanical...
1994 single by Soundgarden. "Black Hole Sun" is a song by American rock band Soundgarden. Written by frontman Chris Cornell, the song was released in May 1994 by A&M Records as the...
black holes so far discovered (and probable candidates), measured in units of solar masses (M☉), approximately 2×1030 kilograms. A supermassive black...
Supermassive black hole at the center of the Milky Way. abbreviated as Sgr A* (/ˈsædʒ ˈeɪ stɑːr/ SADGE-AY-star), is the supermassive black hole at the Galactic Center of the Milky Way. Viewed from Earth, it is located...
Area of study. physics, black hole thermodynamics is the area of study that seeks to reconcile the laws of thermodynamics with the existence of black hole event horizons...
Dungeon in Fort William, Calcutta. The Black Hole of Calcutta was a dungeon in Fort William, Calcutta, measuring 14 by 18 feet (4.3 m × 5.5 m), in which troops of Siraj-ud-Daulah, the Nawab...
List of some 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...
Global radio telescope array. simulations of what a black hole would look like progressed to predictions of VLBI imaging for the Galactic Center black hole, Sgr A*. Technical advances...
Hypothetical black hole formed soon after the Big Bang. In cosmology, primordial black holes (PBHs) are hypothetical black holes that formed soon after the Big Bang. In the inflationary era and early radiation-dominated...
Puzzle of disappearance of information in a black hole. The black hole information paradox is a paradox that appears when the predictions of quantum mechanics and general relativity are combined. The theory...
