If the absolute magnitude, M, of a supernova is - 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
Correct Answer:
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