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单词
leo i system
释义
Leo I system
Leo I system
[
′lē·ō ′wən ‚sis·təm
]
(astronomy)
A dwarf elliptical galaxy about 890,000 light-years distant, having a diameter of about 5000 light-years, and a luminosity about 5 × 10
6
that of the sun.
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更新时间:2025/7/24 16:14:15