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大的星星是什么做成的large star 是什么组成的,明天我就要交这份作业了

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/14 01:55:42
大的星星是什么做成的
large star 是什么组成的,明天我就要交这份作业了
大的星星是什么做成的large star 是什么组成的,明天我就要交这份作业了
不知道large star这个词是什么意思
giant star 倒是有
A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature.Typically,giant stars have radii between 10 and 100 solar radii and luminosities between 10 and 1,000 times that of the Sun.Stars still more luminous than giants are referred to as supergiants and hypergiants.A hot,luminous main sequence star may also be referred to as a giant.Apart from this,because of their large radii and luminosities,giant stars lie above the main sequence (luminosity class V in the Yerkes spectral classification) on the Hertzsprung-Russell diagram and correspond to luminosity classes II or III.