( ( ( The time ) ( it ( ( takes ( for light ) ) ( to ( ( reach us ) ( from ( the ( distant object ) ) ) ) ) ) ) ) ( ( will ( depend ( on ( which ( ( path ( a ray ) ) ( decides ( to take ) ) ) ) ) ) ) . ) )
(ROOT (S (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)) (PP (IN from) (NP (DT the) (JJ distant) (NN object)))))))))) (VP (MD will) (VP (VB depend) (PP (IN on) (SBAR (WHNP (WDT which)) (S (NP (NP (NN path)) (NP (DT a) (NN ray))) (VP (VBZ decides) (S (VP (TO to) (VP (VB take)))))))))) (. .)))
The time it takes for light to reach us from the distant object will depend on which path a ray decides to take.
(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))))))) (. .)))