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Glossary term: 中子星

Description: 中子星是一个非常密集和紧凑的恒星残骸,形成于大质量恒星核心的坍塌。质量约为八倍太阳质量或更多的恒星在其恒星演化的最后,核心会坍塌,触发超新星爆炸。坍塌的核心密度大于大多数原子核,并主要由中子组成。这一点的原因是,在大质量恒星极热和极密的坍塌核心中,质子和电子结合形成中子。中子星的下限质量为1.4倍太阳质量,上限约为3倍太阳质量——超过这个质量,物体将坍塌为黑洞。高度磁化的中子星被称为磁星。已知的绝大多数中子星以射电脉冲星的形式被观测到。

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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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A neutron star appears as a blue spot surrounded by shells of material which appear as red and green rings

Death of a massive star

Caption: A multi-wavelength image taken with telescopes on the Earth and in space of a neutron star within our neighbouring Small Magellanic Cloud galaxy. A neutron star (seen here as the blue spot surrounded by a red ring) is the final product of gravitational collapse, compression and explosion of a massive star, left embedded in its supernova remnant (in green).
Credit: ESO/NASA, ESA and the Hubble Heritage Team (STScI/AURA)/F. Vogt et al. credit link

License: CC-BY-4.0 Creative Commons 署名 4.0 国际 (CC BY 4.0) icons