Description: 超巨星是體積最大、亮度最高的恆星。它們可能比太陽大幾百倍，比太陽亮幾千倍。它們占據赫茲普朗-拉塞爾圖的頂部區域，絕對目視星等在-3 到-8 之間。超巨星的溫度範圍從大約3400開爾文（K）到超過20000開爾文（K）不等，它們要麼是大質量恆星，要麼處於恆星演化的後期階段。超巨星可以根據它們的光譜來識別，超巨星可以通過它們的光譜來識別，其特徵譜線對高亮度和低表面重力敏感：這些光譜線與較小恆星的線寬相比是較窄的。超巨星的典型例子包括獵戶座的參宿四和造父變星。

Related Terms:

• 巨星
• 紅超巨星
• 恆星演化
• 光度等級

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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