An Etymological Dictionary of Astronomy and Astrophysics

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Number of Results: 1 Search : ephemeris second

ephemeris second

ثانیه‌ی ِ روزیجی

sâniye-ye ruziji

Fr.: seconde des éphémérides

The length of a tropical second (1/31,556,925.97474 of the tropical year) on 1900 January 0.5 → ephemeris time.

An Etymological Dictionary of Astronomy and Astrophysics
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