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double star

/ˈdʌb.əl stɑːr/

翻译: 天文学术语,指在天空中看起来位置相近的两颗恒星,可以是引力束缚的双星系统,也可以是由视线方向重合造成的视双星。

1 个条目

phrase

/ˈdʌb.əl stɑːr/C1formalscientific
  • zh天文学术语,指在天空中看起来位置相近的两颗恒星,可以是引力束缚的双星系统,也可以是由视线方向重合造成的视双星。

A term used in astronomy to refer to two stars that appear close together in the sky, either as a binary system (gravitationally bound) or an optical double (line-of-sight alignment).

  1. Binary star systemC1formal

    A system of two stars that orbit around a common center of mass, appearing as a single point of light to the naked eye.

    zh双星

    • The double star system was discovered using a powerful telescope.
    • Astronomers study double stars to understand stellar evolution.
    • Many double stars are actually binary systems.