英语词汇“variable star”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	variable star
释义	variable star noun Astronomy A star whose brightness changes, either irregularly or regularly.Cepheid variable stars tend to be extra bright.... They'll also be searching for storms on Mars and Jupiter, monitoring active galactic nuclei, and measuring variable stars. He discovered the mass-luminosity relationship for stars, he calculated the abundance of hydrogen, and he produced a theory to explain the pulsation of Cepheid variable stars.
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