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## Main Question or Discussion Point

Hi everyone,

Is there a simple formula/equation for calculating the mass of a star simply by measuring it's redshift. I know there is a way to do it, but have been unable to find any clues on the web..

Thanks for your help! :)

Is there a simple formula/equation for calculating the mass of a star simply by measuring it's redshift. I know there is a way to do it, but have been unable to find any clues on the web..

Thanks for your help! :)