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Ephemeris time
A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.
📖 Definitions of "Ephemeris time"
noun
- 1
A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.
- 2
A modern relativistic-coordinate time scale.
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