EPHEMERIS TIME
(noun)Did you mean?
Definitions
There is 1 meaning of the phrase
Ephemeris Time.
Ephemeris Time - as a noun
(astronomy) a measure of time defined by earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the earth's motions
Synonyms (Exact Relations)
tdtterrestrial dynamical timeterrestrial timettExample Sentences
"In ephemeris time, a day is defined as the time it takes for the Earth to complete one full rotation."
"Calculations of planetary positions are often expressed in ephemeris time."
"Astrologers and astronomers both make use of ephemeris time in their work."
"By using ephemeris time, astronomers can accurately predict the positions of celestial objects."
"The development of ephemeris time revolutionized the field of astronomy."