yıldız yılı astr

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التركية - الإنجليزية
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 is about 20.4 minutes longer than the tropical year due to precession of the equinoxes
the time for the earth to make one complete revolution around the sun, relative to the fixed stars
The time required for one complete revolution of the earth about the sun, relative to the fixed stars, or 365 days, 6 hours, 9 minutes, 9.54 seconds in units of mean solar time
yıldız yılı astr
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