An Etymological Dictionary of Astronomy and Astrophysics

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Number of Results: 1 Search : Greenwich sidereal date

Greenwich sidereal date

روز ِ اختری ِ گرینویچ

ruz-e axtari-ye Greenwich

Fr.: jour sidéeal de Greenwich

The number and fraction of → mean sidereal days elapsed on the → Greenwich meridian since 12h January 1, 4773 BC (mean sidereal).

An Etymological Dictionary of Astronomy and Astrophysics
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