If a galaxy contains a supernova that at its brightest has an apparent magnitude of +18, 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 Answer needs to be in Mpc

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If a galaxy contains a supernova that at its brightest has
an apparent magnitude of +18, 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. Answer needs to be
in Mpc
Transcribed Image Text:If a galaxy contains a supernova that at its brightest has an apparent magnitude of +18, 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. Answer needs to be in Mpc
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