Description: 光度是指恆星等發光體每秒釋放的能量。最常用於描述電磁輻射，在這種情況下需要指定波長或頻率的範圍。特定頻率或波長下每秒輻射的能量稱為 "光度密度"。全電磁波長範圍內的光度稱為 "熱光度"。

其他形式的光度包括中微子發射或物質外流，例如噴流。

在天文學中，光度通常表示為太陽光度（稱為太陽光度）的倍數。

Related Terms:

• 亮度
• 電磁輻射
• 頻率
• 波長

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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