n. [天] 恒星日
sidereal day //
→seeday
the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
同义词: day
恒星日
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一个恒星日(sidereal day)是指地球自转一周的用时,地球的恒星日 为23 小时56 分,比平时所说的一日24 小时略少一点。
... 逃逸速度 (escape velocity) 自转周期 (sidereal day) 赤道自转速度 (rotational velocity) ...
A sidereal day is about 4 minutes shorter than a solar day.
一个恒星日比一个太阳日大约短4分钟。
If it misses this window, further opportunities occur at intervals of 23 hours and 56 minutes a period known as a sidereal day.