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Definition of ephemeris time in English Turkish dictionary
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English - English
Definition of ephemeris time in English English dictionary
- A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s
- A modern relativistic-coordinate time scale
- A highly accurate astronomical system for the measurement of time based on the period of Earth's orbit, but in practice relying on lunar observations and an accurate lunar ephemeris
ephemeris time
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e·phem·er·is timePronunciation
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