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ursa minor system
释义
Ursa Minor system
Ursa Minor system
A dwarf elliptical galaxy that is a member of the Local Group.
Ursa Minor system
[
′ər·sə ′mī·nər ‚sis·təm
]
(astronomy)
A dwarf spheroidal galaxy in the Local Group, about 2.1 × 10
5
light-years (1.2 × 10
18
miles or 2.0 × 10
18
kilometers) away.
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更新时间:2026/7/7 22:28:14