Question

define spring equinox.​

Answer 1

Answer:

Definition of 'spring equinox'

1. the time at which the sun crosses the plane of the equator towards the relevant hemisphere, making day and night of equal length. It occurs about March 21 in the N hemisphere ( Sept 23 in the S hemisphere) 2.

Answer 2

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define equinox, two moments in the year when the Sun is exactly above the Equator and day and night are of equal length; also, either of the two points in the sky where the ecliptic (the Sun's annual pathway) and the celestial equator intersect.