Multiple Choice
Why is Supernova 1987A particularly important to astronomers?
A) It was the first supernova detected in nearly 400 years.
B) It occurred only a few light- years from Earth.
C) It provided the first evidence that supernovae really occur.
D) It is the nearest supernova to have occurred at a time when we were capable of studying it carefully with telescopes.
Correct Answer:

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Correct Answer:
Verified
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