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The term "black hole" was used in print by Life and Science News magazines in 1963, and by science journalist Ann Ewing in her article " 'Black Holes' in Space", dated 18 January 1964, which was a report on a meeting of the American Association for the Advancement of Science held in Cleveland, Ohio.
An intermediate-mass black hole ( IMBH) is a class of black hole with mass in the range 10 2 –10 5 solar masses: significantly more than stellar black holes but less than the 10 5 –10 9 solar mass supermassive black holes. [2] [3] Several IMBH candidate objects have been discovered in the Milky Way galaxy and others nearby, based on ...
Black hole starship. In astronautics, a black hole starship is the theoretical concept of a starship capable of interstellar travel using a black hole as an energy source for spacecraft propulsion. The concept was first discussed in science fiction, notably in the book Imperial Earth by Arthur C. Clarke, and in the work of Charles Sheffield, in ...
Primordial black hole. Formation of the universe without (above) and with (below) primordial black holes. 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 universe, extremely dense pockets of subatomic matter may have been tightly ...
Supermassive black holes are classically defined as black holes with a mass above 100,000 ( 105) solar masses ( M☉ ); some have masses of several billion M☉. [12] Supermassive black holes have physical properties that clearly distinguish them from lower-mass classifications. First, the tidal forces in the vicinity of the event horizon are ...
The following outline is provided as an overview of and topical guide to black holes: Black hole – mathematically defined region of spacetime exhibiting such a strong gravitational pull that no particle or electromagnetic radiation can escape from inside it. The theory of general relativity predicts that a sufficiently compact mass can deform ...
Micro black hole. Micro black holes, also called mini black holes or quantum mechanical black holes, are hypothetical tiny (<1 M☉) black holes, for which quantum mechanical effects play an important role. [1] The concept that black holes may exist that are smaller than stellar mass was introduced in 1971 by Stephen Hawking.
A stellar black hole (or stellar-mass black hole) is a black hole formed by the gravitational collapse of a star. [1] They have masses ranging from about 5 to several tens of solar masses. [2] They are the remnants of supernova explosions, which may be observed as a type of gamma ray burst. These black holes are also referred to as collapsars .
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