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I was wondering how the distance in Mpc could be calculated between Earth and a galaxy using the luminosity provided? Do not be shy to use all math necessary :)

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  • $\begingroup$ I'm not sure what you're asking. Could you add more details? $\endgroup$ – user21 Jun 27 '19 at 16:20
  • $\begingroup$ @barrycarter Luminosity is inversely proportional to the distance squared. I was wondering how people would use that equation to calculate the distance to distant galaxies. They take the intrinsic luminosity of various stars within the galaxy to find the distance. But I wonder how.... $\endgroup$ – Pedro de Oliveira Jun 28 '19 at 4:16

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