English
wikipedia
Noun
en-noun|sg=sidereal year
- The orbital period of the Earth; a measure of the time it takes for the Sun to return to the same position with respect to the stars of the celestial sphere. A sidereal year equals 365.25636042 mean solar days, or 20 minutes and 24 seconds longer than the tropical year.
Translations
trans-top|orbital period
Finnish: t-|fi|sideerinen vuosi
French: t|fr|année sidérale|f
trans-mid
trans-bottom
See also
mean solar day
tropical year
Category:Astronomy
Category:Calendar terms
id:sidereal year
ru:sidereal year
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