Zodiac

ZODIAC The position of the sun during the course of the year as it appears to move though successive constellations.

Zodiac- the position of the sun throughout a year as it appears to move through successive star groups or constellations.
Zonal Wind- the wind or wind componant along the local parallel of latitude.

Tropical Year - The time measured from one vernal equinox to the next; that is, the apparent revolution of the sun through the zodiac, equal to 365.2422 mean solar days or 365 days, 5 hours, 48 minutes, 46 seconds.

at the same fixed star, equal to 365.2564 mean solar days or 365 days, 6 hours, 9 minutes, 10 seconds. b) Tropical Year: The time measured from one vernal equinox to the next--that is, the apparent revolution of the sun through the zodiac, ...

mean solar days or 365 days, 6 hours, 9 minutes, 10 seconds; 2) Tropical year (also called mean solar year, ordinary year): the time measured from one vernal equinox to the next, that is, the apparent revolution of the sun through the zodiac, ...

See also: Air, Latitude, Horizon, Normal, Radar