( ( ( The ( apparent ( ( faster ( than light ) ) motion ) ) ) ( we ( infer ( for ( ( the ( most ( distant quasars ) ) ) ( due ( to ( ( the geometry ) ( of ( ( the expansion ) ( of ( ( the universe ) ( at ( earlier times ) ) ) ) ) ) ) ) ) ) ) ) ) ) ( , ( ( ( does not ) ( represent ( ( ( ( ( the ( actual motion ) ) ( of ( ( these galaxies ) ( through ( the ( intervening space ) ) ) ) ) ) , ) but ) ( ( the dilation ) ( ( ( of ` ) ( space itself ) ) ' ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (JJ apparent) (ADJP (JJR faster) (IN than) (JJ light)) (NN motion)) (SBAR (S (NP (PRP we)) (VP (VBP infer) (PP (IN for) (NP (NP (DT the) (RBS most) (JJ distant) (NNS quasars)) (ADJP (JJ due) (PP (TO to) (NP (NP (DT the) (NN geometry)) (PP (IN of) (NP (NP (DT the) (NN expansion)) (PP (IN of) (NP (NP (DT the) (NN universe)) (PP (IN at) (NP (JJR earlier) (NNS times)))))))))))))))) (, ,) (VP (VBZ does) (RB not) (VP (VB represent) (NP (NP (NP (DT the) (JJ actual) (NN motion)) (PP (IN of) (NP (NP (DT these) (NNS galaxies)) (PP (IN through) (NP (DT the) (JJ intervening) (NN space)))))) (, ,) (CC but) (NP (NP (DT the) (NN dilation)) (PP (IN of) (`` `) (NP (NP (NN space)) (ADVP (PRP itself))) ('' ')))))) (. .)))
The apparent faster than light motion we infer for the most distant quasars due to the geometry of the expansion of the universe at earlier times, does not represent the actual motion of these galaxies through the intervening space, but the dilation of 'space itself'.
(ROOT (S (PP (JJ Due) (TO to) (NP (NP (DT the) (NN time)) (SBAR (S (NP (PRP it)) (VP (VBZ takes) (PP (IN for) (NP (NN light))) (S (VP (TO to) (VP (VB reach) (NP (PRP us)))))))))) (, ,) (NP (NP (NNS galaxies)) (PP (IN at) (NP (NP (DT the) (NN edge)) (PP (IN of) (NP (DT the) (NN universe)))))) (VP (VBP are) (VP (VBG distant) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (NN space) (CC and) (NN time))))))) (. .)))