sidereal day
Example Sentences
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So the solar day is about 4 minutes longer than the sidereal day.
From Textbooks • Oct. 13, 2016
However, astronomers also use a sidereal day, which is defined in terms of the rotation period of Earth with respect to the stars.
From Textbooks • Oct. 13, 2016
In a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the sidereal day change?
From Textbooks • Oct. 13, 2016
Up to the mid-20th century, the sidereal day, the period of the earth’s rotation on its axis in relation to the stars, was used to determine standard time.
From Scientific American • Dec. 31, 2011
The length of the sidereal day is to the mean solar day as .99727 to 1, and various attempts have been made by trains of wheels to obtain this relation—but all are somewhat complicated.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various
