sidereal day
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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 Second is the time of one swing of a pendulum making 86,164.09 swings in a sidereal day, or 1/86,400 part of a mean solar day.
From The Story of Electricity by John Munro
