( ( To ( the eye ) ) ( ( the earth ) ( ( appears ( fixed ( while ( ( ( ( the sun ) and ) stars ) ( revolve ( about it ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (TO To) (NP (DT the) (NN eye))) (NP (DT the) (NN earth)) (VP (VBZ appears) (VP (VBN fixed) (SBAR (IN while) (S (NP (NP (DT the) (NN sun)) (CC and) (NP (NNS stars))) (VP (VB revolve) (PP (IN about) (NP (PRP it)))))))) (. .)))
To the eye the earth appears fixed while the sun and stars revolve about it.
(ROOT (S (PP (IN From) (NP (NN earth))) (, ,) (NP (DT the) (NN sun)) (VP (VBZ appears) (NP (NN brighter)) (PP (IN than) (NP (DT any) (JJ other) (NN star))) (SBAR (IN because) (S (NP (DT the) (NN sun)) (VP (VBZ is) (NP (DT the) (JJS closest) (NN star))))))))