Description: 銀河系中心是銀河系（太陽系所在的星系）的中心區域，也是銀河系盤繞其旋轉的區域。銀河系中心是銀河隆起的一部分，距離太陽系約 27,000 光年（8千秒差距），而銀河系盤的直徑約為 1000,00 光年（約31千秒差距）。它包含射電源人馬座 A 和緻密的射電源人馬座 A*，後者是我們銀河系中心的超大質量黑洞。這個黑洞的質量約為 450 萬太陽質量，由幾顆年輕的大質量恆星環繞。所有這些都被數以百萬計的老恆星所包圍，構成了所謂的核星團。

Related Terms:

• 銀河系核球
• 銀盤
• Galactic Halo
• 銀河系
• Sagittarius A*
• Solar System

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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