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secpar

/ˈsɛk.pɑːr/

翻译: 天文学长度单位,约等于3.26光年,即地球到视差为一角秒的恒星的距离。

1 个条目

noun

C2formalcommonscientific/ˈsɛk.pɑːr/

A unit of astronomical length equal to approximately 3.26 light-years, based on the distance from Earth at which stellar parallax is one second of arc.

  • 🇨🇳天文学长度单位,约等于3.26光年,即地球到视差为一角秒的恒星的距离。
  1. Astronomical unit of distance C2 formal scientific

    A unit of length used in astronomy, equal to the distance from Earth at which the stellar parallax is exactly one second of arc; approximately 3.262 light-years.

    • The nearest star to our solar system is about 1.3 parsecs away.
    • Astronomers measure vast interstellar distances in parsecs.
    • The galaxy is located several kiloparsecs from Earth.

    🇨🇳秒差距

    同义词: parsec