( ( The exoplanet ) ( ( was ( found ( using ( ( ( the ( transit method ) ) , ) ( ( in which ) ( ( the ( dimming ( effect ( that ( ( a planet ) ( causes ( as ( it ( crosses ( in ( front ( of ( its star ) ) ) ) ) ) ) ) ) ) ) ) ) ( is measured ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN exoplanet)) (VP (VBD was) (VP (VBN found) (S (VP (VBG using) (NP (NP (DT the) (NN transit) (NN method)) (, ,) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (DT the) (VBG dimming) (NN effect) (SBAR (IN that) (S (NP (DT a) (NN planet)) (VP (VBZ causes) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ crosses) (PP (IN in) (NP (NP (NN front)) (PP (IN of) (NP (PRP$ its) (NN star)))))))))))) (VP (VBZ is) (VP (VBN measured)))))))))) (. .)))
The exoplanet was found using the transit method, in which the dimming effect that a planet causes as it crosses in front of its star is measured.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN exoplanet)) (VP (VBZ is) (ADVP (RB often)) (VP (VBN discovered) (SBAR (IN because) (S (NP (PRP it)) (VP (VBZ causes) (NP (DT a) (NN star) (S (VP (VP (TO to) (VP (VB move))) (CC or) (VP (TO to) (VP (VB dim))))))))))) (. .)))