What is an equinox? a. the day when the Earth is not tilted either towards or away from the Sun c. the day when the Earth is tilted closest to the Sun and will begin moving away from the Sun b. the day when the Earth is tilted farthest from the sun and begins moving back towards the Sun d. the day when the Earth’s revolution changes direction
the time or date (twice each year) at which the sun
crosses the celestial equator, when day and night are of equal length
(about September 22 and March 20).