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killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
Which event marks the beginning of a supernova?
A) The sudden collapse of an iron core into a compact ball of neutrons
B) The onset of helium burning after a helium flash
C) The beginning of neon burning in an extremely massive star
D) The sudden initiation of the CNO cycle
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Smiling Face with Open Mouth
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Answer accepted by topic starter
padrepadre
wrote...
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Educator
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Posts: 21608
10 years ago
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Mastering in Nutritional Biology
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killian Author
wrote...
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
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