sidereal time
noun
UK/saɪˈdɪə.ri.əl ˌtaɪm/
US/saɪˈdɪr.i.əl ˌtaɪm/
Definitions of sidereal time noun
- Uncountable(不可數名詞)physics(物理)
A time scale based on the Earth's rotation relative to the stars.
恆星時
Astronomers use sidereal time to precisely track the positions of celestial objects.
天文學家使用恆星時來精確追蹤天體的位置。
Sidereal time differs from solar time because it considers the Earth's rotation relative to distant stars.
恆星時與太陽時不同，因為它考慮了地球相對於遙遠恆星的旋轉。
A sidereal day is slightly shorter than a solar day due to Earth's revolution around the Sun.
由於地球繞太陽公轉，恆星日比太陽日稍短。