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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. [59]
The direction in space that is directly opposite the center of the Milky Way Galaxy, as viewed from Earth; considered as a point on the celestial sphere, the Milky Way's anticenter is in the constellation Auriga. Galactic Center The rotational center of the Milky Way galaxy, consisting of a supermassive black hole of 4.100 ± 0.034 million ...
BH – (celestial object) Black hole; BHB – (celestial object) Blue horizontal branch, a type of luminous star; BHC – (celestial object) Black hole candidate; BHXRT – (celestial object) Black hole x-ray transient also BHXT; BICEP2 – (telescope) Background Imaging of Cosmic Extragalactic Polarization 2
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.
OJ 287 core black holes — a BL Lac object with a candidate binary supermassive black hole core system [23] PG 1302-102 – the first binary-cored quasar — a pair of supermassive black holes at the core of this quasar [24] [25] SDSS J120136.02+300305.5 core black holes — a pair of supermassive black holes at the centre of this galaxy [26]
A photograph of a black hole at the center of galaxy M87. The black hole is outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon.
While in a non-rotating black hole the singularity occurs at a single point in the model coordinates, called a "point singularity", in a rotating black hole, also known as a Kerr black hole, the singularity occurs on a ring (a circular line), known as a "ring singularity". Such a singularity may also theoretically become a wormhole. [18]
NASA’s James Webb Space Telescope and Chandra X-Ray Observatory teamed up over the past year to make the observations. Scientists have discovered the oldest black hole yet, a cosmic beast formed ...