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单词 elliptical galaxy
释义

elliptical galaxy

noun

: a galaxy that has a generally elliptical shape and that has no apparent internal structure or spiral arms

called also elliptical

compare spiral galaxy

Example Sentences

Recent Examples on the Web In 500 million years, the two cosmic systems will complete their merger to form a single elliptical galaxy. Ashley Strickland, CNN, 10 Aug. 2022 To the right is NGC 3226, an elliptical galaxy that NASA believes previously cannibalized a third galaxy in the area. Joshua Hawkins, BGR, 26 May 2022 In 2019, the Event Horizon Telescope captured an image of a supermassive black hole in M-87, an elliptical galaxy about 55 million light years away in the constellation Virgo. Catherine Garcia, The Week, 14 May 2022 In 2019, the EHT announced the first direct image ever taken of a black hole at the center of an elliptical galaxy, Messier 87 (M87), located in the constellation of Virgo some 55 million light-years away. Jennifer Ouellette, Ars Technica, 12 May 2022 According to the release, the photograph is of the black hole located in Centaurus A, a giant elliptical galaxy that is located 12 million light-years away from our planet. Joshua Hawkins, BGR, 26 Dec. 2021 Just last year, astronomers published the first-ever picture of a black hole and its event horizon, a 7 billion-solar-mass beast at the center of the M87 elliptical galaxy. Chris Impey, CNN, 31 Oct. 2021 The first scenario ever developed that could successfully explain elliptical galaxy formation has also been one of the most resilient. Ethan Siegel, Forbes, 11 May 2021 The black hole in question is a monster 6.5 billion times as massive as the sun, and lies in the center of an enormous elliptical galaxy, Messier 87, about 55 million light-years away in the constellation Virgo. New York Times, 24 Mar. 2021 See More

Word History

First Known Use

1948, in the meaning defined above

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更新时间:2025/2/3 21:24:01