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单词 lenticular galaxy
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lenticular galaxy
lenticular galaxy n. Astronomy a galaxy having the flattened shape and dense centre characteristic of spiral galaxies, but without discernable spiral arms.
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lenticular galaxy1953
1953 E. E. Smith Second Stage Lensmen xvii. 231 But the Dauntless was not within any lenticular galaxy—nowhere was there any sign of a Milky Way!
1977 J. Narlikar Struct. Universe iii. 68 Apart from this there are lenticular galaxies S0, which resemble the spirals in many respects but which are very much dominated by the bulge.
1992 M. J. West in S. P. Maran Astron. & Astrophysics Encycl. 95/2 The galaxy populations of rich regular clusters tend to be composed primarily of elliptical and S0 (lenticular) galaxies, with only a small fraction of spirals.
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