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    Brightness of a Supernova

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    Suppose that the brightness of a star becoming a supernova increases by 20 magnitudes. Show that this corresponds to an increase of 10^8 in luminosity.

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    The solution of the posting is in the attached file.

    We know that if denotes the brightness of two stars whose magnitudes are and , , then

    or, -----------------------(1)

    Let be the ...

    Solution Summary

    Brightness of a Supernova is examined.