An equinox occurs when the?
Sun is farthest away from the equator
Sun in directly over the equator
North pole is tilted away from the sun
South pole is tilted away from he sun

The celestial equator wraps the sky directly above Earth's equator. At the equinox, the sun crosses the celestial equator, to enter the sky's Northern Hemisphere. ... At the equinox, Earth's two hemispheres are receiving the sun's rays equally. Night and day are often said to be equal in length.

Explanation: Sun in directly over the equator

p.s. I think the answer and explanation are backwards.

I hope this helps, if it's not right please say so.