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ephemeris time vs TT

TT vs ephemeris time

ephemeris time and TT both are nouns.

Word NounAdjectiveVerbAdverb
ephemeris time Yes No No No
TT Yes No No No
As nouns, ephemeris time and TT are synonyms defined as:
  • ephemeris time and TT: (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
Other synonyms of ephemeris time include TDT, terrestrial dynamical time, terrestrial time.
ephemeris time (noun) TT (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 a country scattered over Micronesia with a constitutional government in free association with the United States; achieved independence in 1986
a republic in the western central Pacific Ocean in association with the United States
(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
Difference between ephemeris time and TT

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