( ( ( While , ) ( planets ( like Jupiter ) ) ) ( , ( ( Saturn ( , ( Uranus ( , ( ( Neptune and ) Pluto ) ) ) ) ) ( ( are ( known ( as ( ( ( the jovian ) or ) ( the ( outer planets ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN While) (, ,) (S (NP (NNS planets)) (VP (VBP like) (NP (NNP Jupiter))))) (, ,) (NP (NNP Saturn) (, ,) (NNP Uranus) (, ,) (NNP Neptune) (CC and) (NNP Pluto)) (VP (VBP are) (VP (VBN known) (PP (IN as) (NP (NP (DT the) (NN jovian)) (CC or) (NP (DT the) (JJ outer) (NNS planets)))))) (. .)))
While, planets like Jupiter, Saturn, Uranus, Neptune and Pluto are known as the jovian or the outer planets.
(ROOT (S (NP (NNS Uranus)) (VP (VBZ is) (NP (DT the) (ADJP (JJS least) (JJ massive)) (JJ outer) (NN planet))) (. .)))