"its luminosity is measured relative to that of our sun"
同义词： brightness brightness level luminance luminousness light
以上来源于: WordNet
N-UNCOUNT The luminosity of a star or sun is how bright it is. (星体或太阳的)光度; 亮度 [技术]
For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
有几年它的亮度一度达到了现在的太阳亮度的一万倍左右。
N-UNCOUNT You can talk about the luminosity of someone's skin when it has a healthy glow. (皮肤的)放光; 光亮
Ultrafine powder with a rosy tinge gives the skin warmth and luminosity.
带玫瑰色的超细扑粉让皮肤显得温暖而有光泽。
The spectral slopes, infrared luminosities and mass loss rates of central stars, as well as the mass loss times from infrared or radio radiation are calculated.
计算了光谱斜率和红外光度，同时从红外及射电幅射得出了中心星质量损失率及质量损失历经时间。
After deriving their effective temperatures and luminosities from their (B-V), (U-B) colors and parallaxes we find their positions in the HR diagram to be mostly confined to the main sequence.
在从样本星的色指数（B -V） ，（U -B）和视差得到它们的有效温度和光度之后，我们发现在赫罗图上它们大多数是位于主序带内的。
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