Multiple Choice
In 2006, a Type Ia supernova erupted in the spiral galaxy M100. Its peak apparent magnitude was +13.5, and its absolute magnitude was about -17.5. What do these numbers give for its distance?
A) 7 kpc
B) 10 kpc
C) 31 kpc
D) 42 kpc
Correct Answer:
Verified
Correct Answer:
Verified
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