| 释义 |
absolute magnitudeBrE /ˌæbsəluːt ˈmæɡnɪtjuːd/NAmE /ˌæbsəluːt ˈmæɡnɪtuːd/ noun [U] (astronomy 天文学) a measure of how bright a star, planet, etc. is, as it would be seen at a standard distance from the earth 绝对星等（假定天体在距地球标准距离的地方所测得的亮度等级） ➡ compare apparent magnitude |