Question

A star that suddenly explodes and is temporarily bright​

Answer 1

Answer:

Geminorum star, any of a class of irregular variable stars that display sudden increases in brightness so great that they are sometimes called dwarf novae. Some have been observed to brighten by as much as 5 magnitudes (100 times) in a period of hours.

Explanation:

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Answer 2

Answer:

geminorum star

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