Question

Which phenomenon occurs when the Sun crosses the plane of Earth’s equator

Answer 1

An Equinox

Step-by-step explanation:

the time when the plane of Earth's equator passes through the geometric center of the Sun's disk. This occurs twice each year, around march 20th and September 23rd and It happens.

Answer 2

Equinox. Twice a year around March 20th and September 23rd the earth's plane cross the path of the sun causing the day hours and night hours to be almost equal to each other (12 hours of daylight, 12 hours of night). It's not exactly the same because of the sun's refraction and size, but it is fairly close.