If the absolute magnitude, M, of a supernova is x 19 and a galaxy is found that contains a supernova with an apparent magnitude, m, of 16 . What is the distance to the galaxy? Hint: dpc = 10(m - M + 5)/5 using a scientific calculator
a. 100 AU
b. 100 pc
c. 100 ly
d. 100 kpc
e. 100 Mpc
E
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