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variable star

/ˈveəriəbəl stɑːr/

翻译: 亮度随时间变化的恒星,变化原因可以是内部过程(如脉动)或外部因素(如食变)。

1 个条目

phrase

C1formalcommonscientific/ˈveəriəbəl stɑːr/

A star whose brightness changes over time due to internal processes or external factors such as eclipses or pulsations.

  • 🇨🇳亮度随时间变化的恒星,变化原因可以是内部过程(如脉动)或外部因素(如食变)。
  1. Astronomical object C1 formal

    A star whose brightness changes over time due to internal or external factors.

    • Astronomers study variable stars to understand stellar evolution.
    • The brightness of a variable star can change over days or years.
    • Cepheid variable stars are used to measure distances in space.

    🇨🇳变星