( ( At ( the equinox ) ) ( , ( ( despite ( ( the inclination ) ( of ( ( the ( Earth 's ) ) axis ) ) ) ) ( , ( ( the Sun ) ( ( ( appears ( directly ( over ( the equator ) ) ) ) ( so ( that ( ( solar radiation ) ( ( is equally ) ( balanced ( between ( the ( two hemispheres ) ) ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN At) (NP (DT the) (NNS equinox))) (, ,) (PP (IN despite) (NP (NP (DT the) (NN inclination)) (PP (IN of) (NP (NP (DT the) (NN Earth) (POS 's)) (NNS axis))))) (, ,) (NP (DT the) (NNP Sun)) (VP (VBZ appears) (PP (ADVP (RB directly)) (IN over) (NP (DT the) (NN equator))) (SBAR (RB so) (IN that) (S (NP (JJ solar) (NN radiation)) (VP (VBZ is) (ADVP (RB equally)) (VP (VBN balanced) (PP (IN between) (NP (DT the) (CD two) (NNS hemispheres)))))))) (. .)))
At the equinox, despite the inclination of the Earth's axis, the Sun appears directly over the equator so that solar radiation is equally balanced between the two hemispheres.
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ is) (ADVP (RB directly)) (PP (IN over) (NP (DT the) (NN equator))) (PP (IN during))) (. .)))