( ( During ( aphelion water ) ) ( ( ice clouds ) ( ( ( ( form ( in ( the atmosphere ) ) ) , ) ( ( ( interacting ( with ( the ( dust particles ) ) ) ) and ) ( affecting ( ( the temperature ) ( of ( the planet ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN During) (NP (NN aphelion) (NN water))) (NP (NN ice) (NNS clouds)) (VP (VBP form) (PP (IN in) (NP (DT the) (NN atmosphere))) (, ,) (S (VP (VP (VBG interacting) (PP (IN with) (NP (DT the) (NN dust) (NNS particles)))) (CC and) (VP (VBG affecting) (NP (NP (DT the) (NN temperature)) (PP (IN of) (NP (DT the) (NN planet)))))))) (. .)))
During aphelion water ice clouds form in the atmosphere, interacting with the dust particles and affecting the temperature of the planet.
(ROOT (S (NP (NNP Water)) (VP (VBZ takes) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NN ice)))) (PP (IN on) (NP (NN planet) (NNS mars)))) (. .)))