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Tsync Tsync
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Posts: 3450
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8 years ago
What is the reason a type I supernova slows its dimming after about 2 months?
A) The supernova remnant suddenly becomes transparent.
B) The planetary nebula cooled enough to form a dust shell.
C) The burst of energy carried by neutrinos is finally observed.
D) Energy is released from the decay of radioactive cobalt 56 to iron 56.
E) Energy from the supernova's shock wave is released as it hits interstellar matter.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 172 times
3 Replies
Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
wrote...
8 years ago
You answered my question so timely, I really value that, thank you
Minoring in physics
wrote...
8 years ago
Message back if you need anything
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