恒星年
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Meanings
1
sidereal year
Astronomical term: the time Earth takes to orbit the Sun relative to the fixed stars, about 365.256 days.
A sidereal year is about 365.256 days.
sidereal year
Astronomical term: the time Earth takes to orbit the Sun relative to the fixed stars, about 365.256 days.
A sidereal year is about 365.256 days.