In this situation astronomers tacitly assume that stars of the same luminosity and color all have the same mass.
在目前的状况下，天文学家心照不宣地默认，光度和颜色都相同的恒星具有相同的质量。
In this situation astronomers tacitly assume that stars of the same luminosity and color all have the same mass.
在目前的状况下，天文学家心照不宣地默认，光度和颜色都相同的恒星具有相同的质量。
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