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Equinox
01
equinócio, ponto equinocial
(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
02
equinócio, ponto equinocial
either of the two moments in a year when the Sun, in its apparent motion along the ecliptic, crosses the celestial equator, resulting in approximately equal periods of daylight and darkness worldwide
Exemplos
The equinoxes are important for astronomers studying the Earth's tilt and orbit.
Os equinócios são importantes para os astrônomos que estudam a inclinação e a órbita da Terra.
