A star that suddenly becomes several magnitudes brighter and then gradually fades is a（）. -题库考试答案搜索网

A star that suddenly becomes several magnitudes brighter and then gradually fades is a（）.

单选题

2022-01-05 03:04

A、double star
B、variable star
C、nova
D、nebula

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正确答案

C

试题解析

标签：天文航海

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