An equinox is commonly regarded as the instant of time when the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun.
An equinox is when the sun passes directly over the equator.
An equinox is when the sun passes directly over the equator.
이 단락을 단순화: An equinox is commonly regarded as the instant of time when the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun. 산출: