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单词 variable star
释义

WordReference Random House Unabridged Dictionary of American English © 2024
variable star, [Astron.]
  1. Astronomya star that varies markedly in brightness from time to time. Also called variable. 
  • 1780–90

Collins Concise English Dictionary © HarperCollins Publishers::
variable star n
  1. any star that varies considerably in brightness, either irregularly or in regular periods. Intrinsic variables, in which the variation is a result of internal changes, include novae, supernovae, and pulsating stars
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