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galactic bulge
释义
galactic bulge
galactic bulge
(gă-
lak
-tik)
See galaxies; Galaxy.
galactic bulge
[
gə¦lak·tik ′bəlj
]
(astronomy)
A spheroidal distribution of stars that is centered on the nucleus of the Milky Way Galaxy and extends to a distance of about 3 kiloparsecs from the center.
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a-b plane
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更新时间:2026/9/10 3:15:34