ephemeris time

English

Noun

ephemeris time (uncountable)

  1. (astronomy) A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.
  2. (astronomy) A modern relativistic-coordinate time scale.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.