astronomical year definition

  • noun:
    • See solar power year.
    • The time it requires our planet to pass as soon as round the Sun, especially a tropical, sidereal, or anomalistic year.
    • the time for the earth which will make one change round the sunshine, assessed between two vernal equinoxes
    • See solar year.
    • the full time it will require the Earth to pass through once around the Sun, specially a tropical, sidereal, or anomalistic 12 months.
    • enough time for planet to make one transformation round the sun, measured between two vernal equinoxes

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