Originally, superstar refers to stars in big luminosity, big volume and low density. It is a metaphor of some people with outstanding achievements in some aspects.
原指光度大、体积大、密度小的恒星；本文比喻某些方面有杰出成就的伟人。
The mass distribution of surface density can be derived from the laws of surface luminosity distribution for earlier-type discoid galaxies, of which the main contents are bright.
在早型的以发光天体为主体的盘状星系中，根据光度分布规律可以得到面密度分布。
The mass distribution of surface density can be derived from the laws of surface luminosity distribution for earlier-type discoid galaxies, of which the main contents are bright.
在早型的以发光天体为主体的盘状星系中，根据光度分布规律可以得到面密度分布。
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