( Also ( , ( plasmas ( ( ( ( ( make up ) ( ( the atmosphere ) ( of ( ( ( the sun ) and ) ( other stars ) ) ) ) ) , ) ( so ( ( ( Dr. ( Joshi 's ) ) research ) ( ( is ( of ( great interest ) ) ) ( to astrophysicists ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Also)) (, ,) (NP (NNS plasmas)) (VP (VBP make) (PRT (RP up)) (NP (NP (DT the) (NN atmosphere)) (PP (IN of) (NP (NP (DT the) (NN sun)) (CC and) (NP (JJ other) (NNS stars))))) (, ,) (SBAR (IN so) (S (NP (NP (NNP Dr.) (NNP Joshi) (POS 's)) (NN research)) (VP (VBZ is) (PP (IN of) (NP (JJ great) (NN interest))) (PP (TO to) (NP (NNS astrophysicists))))))) (. .)))
Also, plasmas make up the atmosphere of the sun and other stars, so Dr. Joshi's research is of great interest to astrophysicists.
(ROOT (S (NP (NNP Plasma)) (VP (VBZ comprises) (NP (NP (NP (DT the) (NN sun)) (CC and) (NP (JJ other) (NNS stars))) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NP (NN lightning)) (CC and) (NP (DT the) (JJ northern) (NNS lights))))) (. .)))