( ( ( NASA Star ) and ) ( Exoplanet Database ) )
(ROOT (NP (NP (NNP NASA) (NNP Star)) (CC and) (NP (NNP Exoplanet) (NNP Database))))
NASA Star and Exoplanet Database
(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))))))))))) (. .)))