Vocab Bloom Hub

ecliptic

/ɪˈklɪp.tɪk/

翻译: 名词,指天球上的一个大圆,表示太阳在一年中视运动的路径,对应于地球绕太阳公转的轨道平面在天球上的投影;该平面与天赤道约成23.4度夹角。

1 个条目

noun

C2formalcommonscientific/ɪˈklɪp.tɪk/

A noun referring to the great circle on the celestial sphere that represents the apparent annual path of the Sun, corresponding to the plane of Earth's orbit around the Sun, which is inclined at an angle of about 23 degrees to the celestial equator.

  • 🇨🇳名词,指天球上的一个大圆,表示太阳在一年中视运动的路径,对应于地球绕太阳公转的轨道平面在天球上的投影;该平面与天赤道约成23.4度夹角。
  1. Apparent path of the sun C2 formal scientific

    The great circle on the celestial sphere representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun, making an angle of about 23.5 degrees with the celestial equator.

    • The planets are always found near the ecliptic in the night sky.
    • Astronomers use the ecliptic as a reference plane for mapping solar system objects.
    • The sun's position on the ecliptic determines the seasons on Earth.

    🇨🇳黄道