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hour angle

/ˈaʊər ˌæŋɡəl/

翻译: 天文学术语,指沿天赤道从观测者子午圈向西量度到天体时圈的角度距离,用于确定恒星及其他天体在天球上的位置。

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/ˈaʊər ˌæŋɡəl/C1formalscientific
  • zh天文学术语,指沿天赤道从观测者子午圈向西量度到天体时圈的角度距离,用于确定恒星及其他天体在天球上的位置。

An astronomical term referring to the angular distance measured westward along the celestial equator from the observer's meridian to the hour circle of a celestial body, used to determine the position of stars and other objects in the sky.

  1. Astronomical measurementC2formal

    The angular distance of a celestial object measured westward along the celestial equator from the observer's meridian to the hour circle of the object, usually expressed in hours, minutes, and seconds.

    zh时角

    • The hour angle of the star was calculated to be 3 hours 45 minutes.
    • Navigators use the hour angle to determine their position at sea.
    • The telescope was adjusted based on the hour angle of the target planet.