Question

What is spring equinox and autumn equinox
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Answer 1

The vernal equinox, marking the beginning of spring in the Northern Hemisphere, occurs about March 21, when the Sun moves north across the celestial equator. The autumnal equinox falls about September 23, as the Sun crosses the celestial equator going south.

The autumnal equinox occurs in September each year, and in the northern hemisphere the date marks the end of summer and beginning of autumn.

Answer 2

Answer:

the autumn equinox is the first day of the autumn season and occur when the sun passes the equator moving from the northern to the southern hemisphere.the spring equinox is the first day of the spring season and occurs when the sun passes the equator moving from the southern to the northern hemisphere.