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The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years If it were to explode as a supernova it would be one

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The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years If it were to explode as a supernova it would be one of the brightest stars in the sky Right now_ the brightest star other than the Sun is Sirius, with a luminosity of EELS\" and a distance of 8.6 light-years. V PartA How much brighter in our sky than Sirius would the Betelgeuse supernova be if it reached a maximum luminosity of 9.0:109 L5\"? Express your answer using two significant figures. Apparent. brightness of Bcwlgcusc _ Apparent. brightness of Sirius _

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