( ( ( ( Earth ( and ( Moon phases ) ) ) ( ( ( ( ( complement one ) ( another . ) ) ( ( The ( top strip ) ) ( shows ( the ( Moon phases ) ) ) ) ) and ) ( ( ( the bottom ) ( the ( corresponding ( Earth phases ) ) ) ) ( ( seen ( by ( an ( astronaut standing ) ) ) ) ( on ( ( the ( moon 's ) ) ( surface ( ( looking back ) ( at Earth ) ) ) ) ) ) ) ) ) . ) ( ( One difference ) ( : ( ( Earth ( appears ( ( ( ( almost four ) times ) bigger ) ( than ( the Moon ) ) ) ) ) . ) ) ) )
(ROOT (FRAG (NP (NP (NNP Earth) (CC and) (NNP Moon) (NNS phases)) (SBAR (S (S (FRAG (NP (CD complement) (CD one)) (NP (DT another)) (. .)) (NP (DT The) (JJ top) (NN strip)) (VP (VBZ shows) (NP (DT the) (NNP Moon) (NNS phases)))) (CC and) (S (NP (NP (DT the) (NN bottom)) (NP (DT the) (JJ corresponding) (NN Earth) (NNS phases))) (VP (VBN seen) (PP (IN by) (NP (DT an) (NN astronaut) (NN standing))) (PP (IN on) (NP (NP (DT the) (NN moon) (POS 's)) (NN surface) (S (VP (VBG looking) (PRT (RP back)) (PP (IN at) (NP (NNP Earth))))))))))) (. .)) (X (NP (CD One) (NN difference)) (: :) (S (NP (NNP Earth)) (VP (VBZ appears) (ADJP (ADJP (NP (QP (RB almost) (CD four)) (NNS times)) (JJR bigger)) (PP (IN than) (NP (DT the) (NNP Moon)))))) (. .))))
Earth and Moon phases complement one another. The top strip shows the Moon phases and the bottom the corresponding Earth phases seen by an astronaut standing on the moon’s surface looking back at Earth. One difference: Earth appears almost four times bigger than the Moon.
(ROOT (S (NP (CD One) (NN way) (SBAR (IN that) (S (NP (DT the) (NN moon)) (VP (VBZ is) (ADJP (JJ different) (PP (IN from) (NP (NN earth)))))))) (VP (VBZ is) (SBAR (IN that) (S (NP (DT the) (NN moon)) (VP (VBZ has) (NP (RB almost) (DT no) (NN atmosphere)))))) (. .)))