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What are supernovae? A. stars that have reached the end of their lifetimes because their nuclear fuel is exhausted B. stars that suddenly brighten by 100 to 10,000 times in a day с. stars that have just
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12 votes
12 votes
What are supernovae?

A. stars that have reached the end of their lifetimes because their nuclear fuel is exhausted
B. stars that suddenly brighten by 100 to 10,000 times in a day
с. stars that have just been born
D. galaxles that have binary systems

User Gettalong
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2 Answers

15 votes
15 votes

Answer:

A. Stars that have reached the end of their lifetimes because their nuclear fuel

Step-by-step explanation:

plato

User Hezbullah Shah
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3.2k points
16 votes
16 votes

Answer:

A

Step-by-step explanation:

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User Sebastian Zarnekow
by
2.7k points
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