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Glossary term: 銀暈

Description: 銀河暈是一個大致呈球形分布的恆星、氣體和暗物質區域,它延伸在銀河系的盤面之上、之下以及之外。與銀河系星盤中的大多數恆星相比,星暈中的恆星更為古老,金屬含量也更低。在太陽周圍區域,只有百分之幾的恆星來自銀暈。銀暈中還有球狀星團。

一個看不見的暗物質暈也延伸穿過銀河並環繞著銀河系,它包含了銀河系的大部分質量。

大多數其他星系也有星系暈。

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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
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This is an automated transliteration of the simplified Chinese translation of this term

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