Question: ( 5 pt ) You observe a new white dwarf supernova in a distant galaxy! The measured peak apparent brightness of this white dwarf supernova

(5 pt) You observe a new white dwarf supernova in a distant galaxy! The measured peak apparent brightness of this white dwarf supernova is 310-10Wm2. Based on the fact that white dwarf supernovae are known to reach a maximum luminosity of 1010Lo., how far away is this galaxy in light years?
( 5 pt ) You observe a new white dwarf supernova

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