Description: 超新星是一種大規模的恆星爆發。超新星會短暫地成為星系中迄今為止最明亮的天體，然後在幾年的時間裡逐漸消失。產生超新星的途徑主要有兩種。第一種（Ia 型）是雙星系統中白矮星從伴星吸收物質。一旦白矮星的質量超過 1.4 個太陽質量（錢德拉塞卡極限）或表面積累了足夠多的氦，白矮星就會失去穩定性而爆炸，不留下任何殘餘物。形成超新星（II 型）的另一個主要途徑是質量大於 8 個太陽質量的恆星的演化。在這種恆星演化的末期，它會發生爆炸，形成一顆中子星或（對於質量最大的恆星）恆星級黑洞。

超新星是許多化學元素的來源，尤其是那些比鎂重的元素。

Related Terms:

• 雙星
• 黑洞
• 中子星
• Nova
• 太陽質量
• Stellar Remnants
• 白矮星
• 伽瑪射線暴
• 標準燭光

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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