( Currently ( this ( cooling ( ( ( ( is ( responsible ( for ( ( a ( fine ( thermal ( > balance ) ) ) ) ( between ( ( ( ( ( ( the heat ) ( from ( the ( core reactor ) ) ) ) , ) ( ( the heat ) ( from ( the ( Sun > ) ) ) ) ) and ) ( ( the radiation ) ( of heat ) ) ) ) ) ) ) ) ( into space ) ) , ) ( so ( that ( ( ( the ( average ( temperature > ) ) ) ( on Earth ) ) ( is ( about ( 13 ( deg C. ) ) ) ) ) ) ) ) ) ) )
(ROOT (FRAG (ADVP (RB Currently)) (NP (DT this) (NN cooling) (SBAR (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT a) (JJ fine) (JJ thermal) (NN >) (NN balance)) (PP (IN between) (NP (NP (NP (DT the) (NN heat)) (PP (IN from) (NP (DT the) (JJ core) (NN reactor)))) (, ,) (NP (NP (DT the) (NN heat)) (PP (IN from) (NP (DT the) (NNP Sun) (NNP >)))) (CC and) (NP (NP (DT the) (NN radiation)) (PP (IN of) (NP (NN heat))))))))) (PP (IN into) (NP (NN space))) (, ,) (SBAR (RB so) (IN that) (S (NP (NP (DT the) (JJ average) (NN temperature) (NN >)) (PP (IN on) (NP (NNP Earth)))) (VP (VBZ is) (PP (IN about) (NP (CD 13) (NN deg) (NNP C.))))))))))))
Currently this cooling is responsible for a fine thermal &gt; balance between the heat from the core reactor, the heat from the Sun &gt; and the radiation of heat into space, so that the average temperature &gt; on Earth is about 13 deg C.
(ROOT (S (NP (NNP Heat)) (VP (VBZ travels) (PP (IN from) (NP (DT the) (NN sun))) (PP (TO to) (NP (NP (DT the) (NN earth) (JJ thermal) (NN radiation)) (PP (IN from) (NP (DT the) (NN sun)))))) (. .)))