Meaning Of The Word Sidereal day
What's the definition of Sidereal day? Find Sidereal day meanings, definitions and more at the Real Dictionary online.
Sidereal day Meaning
| Sidereal day Definition |
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What's The Definition Of Sidereal day?
sidereal day in American English
the time between two successive passages of the vernal equinox across the meridian: it measures one rotation of the earth and equals 23 hours, 56 minutes, 4.1 seconds of mean solar time noun: the interval between two successive passages of the vernal equinox over the meridian, being about four minutes shorter than a mean solar day sidereal day in British English noun |
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