Multiple Choice
What is the origin of the rings of gas that surround Supernova 1987A?
A) The rings were formed by stellar winds before the supernova erupted.
B) These were caused by the gamma rays, which also caused photodisintegration.
C) These rings were pushed out by the core bounce.
D) The rings were formed when the shock wave lifted the outer layers of the star.
Correct Answer:
Verified
Correct Answer:
Verified
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