( ( ( ( ( ( ( ( Stars , ) suns ) , ) moons ) , ) and ) planets ) ( ( are ( ( called ( celestial bodies ) ) ( -LRB- ( ( celestial ( means ( having ( to ( do ( with ( the sky ) ) ) ) ) ) ) -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Stars)) (, ,) (NP (NNS suns)) (, ,) (NP (NNS moons)) (, ,) (CC and) (NP (NNS planets))) (VP (VBP are) (VP (VBN called) (NP (JJ celestial) (NNS bodies)) (PRN (-LRB- -LRB-) (S (NP (NN celestial)) (VP (VBZ means) (S (VP (VBG having) (S (VP (TO to) (VP (VB do) (PP (IN with) (NP (DT the) (NN sky)))))))))) (-RRB- -RRB-)))) (. .)))
Stars, suns, moons, and planets are called celestial bodies (celestial means having to do with the sky).
(ROOT (S (NP (DT The) (NNS planets)) (VP (VB orbit) (PRT (RP around)) (NP (DT the) (NN sun))) (. .)))