( ( ( ( ( ( ( The ( Sun 's ) ) diameter ) ( is ( ( 400 times ) ( larger ( than ( ( the ( Moon 's ) ) diameter ) ) ) ) ) ) , ) but ) ( ( the Sun ) ( ( ( ( is also ) ( ( 400 times ) ( further ( away ( from ( the Earth ) ) ) ) ) ) ( so ( to us ) ) ) ( it ( ( looks ( the ( same size ) ) ) ( as ( the Moon ) ) ) ) ) ) ) ! )
(ROOT (S (S (NP (NP (DT The) (NNP Sun) (POS 's)) (NN diameter)) (VP (VBZ is) (ADJP (NP (CD 400) (NNS times)) (JJR larger) (PP (IN than) (NP (NP (DT the) (NNP Moon) (POS 's)) (NN diameter)))))) (, ,) (CC but) (S (NP (DT the) (NNP Sun)) (VP (VBZ is) (ADVP (RB also)) (NP (NP (QP (CD 400) (NNS times))) (ADVP (RB further) (RB away) (PP (IN from) (NP (DT the) (NN Earth))))) (ADVP (RB so) (PP (TO to) (NP (PRP us)))) (SBAR (S (NP (PRP it)) (VP (VBZ looks) (NP (DT the) (JJ same) (NN size)) (PP (IN as) (NP (DT the) (NNP Moon)))))))) (. !)))
The Sun's diameter is 400 times larger than the Moon's diameter, but the Sun is also 400 times further away from the Earth so to us it looks the same size as the Moon!
(ROOT (S (NP (NP (DT The) (NN sun)) (CC and) (NP (DT the) (NN moon))) (VP (VBP appear) (S (VP (TO to) (VP (VB be) (PP (IN about) (NP (NP (DT the) (JJ same) (NN size)) (PP (IN in) (NP (DT the) (NN sky))))) (SBAR (IN because) (S (NP (DT the) (NN moon)) (VP (VP (VBZ is) (ADJP (JJR smaller)) (PP (IN in) (NP (NN diameter)))) (CC and) (VP (VBZ is) (ADJP (ADJP (JJR closer)) (PP (TO to) (NP (NN earth)))) (PP (IN than) (NP (DT the) (NN sun))))))))))) (. .)))