If a galaxy contains a supernova that at its brightest has an apparent magnitude of 16, how far away is the galaxy? Assume that the absolute magnitude of the supernova is −18. (Hint: Use the magnitude-distance formula d = 10(mV − MV + 5)/5.)
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If a galaxy contains a supernova that at its brightest has an apparent magnitude of 16, how far away is the galaxy? Assume that the absolute magnitude of the supernova is −18. (Hint: Use the magnitude-distance formula d = 10(mV − MV + 5)/5.)
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