Description: 星系團是由具有引力束縛的星系組成的天體集合。星系團的大小和集中程度各不相同，包含的星系從數百個到數千個不等。例如，離我們最近的室女座星系團就是一個包含數千個星系的大型星系團。除了星系，星系團還包含等離子體和大量暗物質。

Related Terms:

• 暗物質
• 銀河系
• 等離子體

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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