SIDEREAL DAY
(noun)Did you mean?
Definitions
There is 1 meaning of the phrase
Sidereal Day.
Sidereal Day - as a noun
The time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Synonyms (Exact Relations)
day7Example Sentences
"A sidereal day is defined as the time it takes for a given point on Earth to complete one full rotation relative to a fixed point in space."
"The duration of a sidereal day is approximately 23 hours, 56 minutes, and 4 seconds."
"A sidereal day is slightly shorter than a solar day due to the Earth's orbital motion around the Sun."
"Astronomers use the concept of a sidereal day to measure the rotation period of celestial bodies."
"The rotation axis of a celestial body defines the direction of its sidereal day."
