( ( Robert West ) ( ( ( points out ) ( that ( ( ( a ( substantial amount ) ) ( of material ) ) ( will ( be ( ( ( deposited even ) ( in ( ( the stratosphere ) ( of ( ( Jupiter , ) ( ( the part ) ( of ( ( the atmosphere ) ( above ( the ( visible clouds ) ) ) ) ) ) ) ) ) ) ) ( where ( ( solar heating ) ( stabilizes ( ( the atmosphere ) ( against ( convection ( -LRB- ( ( vertical motion ) -RRB- ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
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Robert West points out that a substantial amount of material will be deposited even in the stratosphere of Jupiter, the part of the atmosphere above the visible clouds where solar heating stabilizes the atmosphere against convection (vertical motion).
(ROOT (S (NP (DT The) (NN stratosphere)) (VP (VBZ is) (NP (DT the) (NN heat) (NN source))) (. .)))