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 |