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Barnard 92 (B92) is a [[dark nebula]] located in the [[Small Sagittarius Star Cloud]]. It was discovered by American astronomer [[Edward Emerson Barnard]]. |
Barnard 92 (B92) is a [[dark nebula]] located in the [[Small Sagittarius Star Cloud]]. It was discovered by American astronomer [[Edward Emerson Barnard]]. |
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B92 was initially referred to as "the black hole,"<ref>{{Cite book |last=Barnard |first=Edward Emerson |title=A photographic atlas of selected regions of the Milky Way |publisher=Carnegie Institution of Washington |year=1927 |isbn=9780511761133}}</ref> given its appearance after it was first catalogued in 1913.<ref>{{Cite web |title=More M24: Barnard 92 Dark Nebula |url=http://www.messier.seds.org/more/m024_b92.html |access-date=2023-08-26 |website=www.messier.seds.org}}</ref> It was later discovered to be a dark nebula, and the title is now misleading, as the name [[black hole]] is used in modern astrophysics to describe a region of spacetime in which gravity is too strong for light to escape. |
B92 was initially referred to as "the black hole,"<ref>{{Cite book |last=Barnard |first=Edward Emerson |title=A photographic atlas of selected regions of the Milky Way |publisher=Carnegie Institution of Washington |year=1927 |isbn=9780511761133}}</ref> given its appearance, after it was first catalogued in 1913.<ref>{{Cite web |title=More M24: Barnard 92 Dark Nebula |url=http://www.messier.seds.org/more/m024_b92.html |access-date=2023-08-26 |website=www.messier.seds.org}}</ref> It was later discovered to be a dark nebula, and the title is now misleading, as the name [[black hole]] is used in modern astrophysics to describe a region of spacetime in which gravity is too strong for light to escape. |
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Revision as of 21:24, 26 August 2023
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Barnard 92 (B92) is a dark nebula located in the Small Sagittarius Star Cloud. It was discovered by American astronomer Edward Emerson Barnard.
B92 was initially referred to as "the black hole,"[1] given its appearance, after it was first catalogued in 1913.[2] It was later discovered to be a dark nebula, and the title is now misleading, as the name black hole is used in modern astrophysics to describe a region of spacetime in which gravity is too strong for light to escape.
References
- ^ Barnard, Edward Emerson (1927). A photographic atlas of selected regions of the Milky Way. Carnegie Institution of Washington. ISBN 9780511761133.
- ^ "More M24: Barnard 92 Dark Nebula". www.messier.seds.org. Retrieved 2023-08-26.