( ( ( RA ( for ( the ( entire ( celestial sphere ) ) ) ) ) ( is ( divided ( into ( ( ( 24 ( hours ( -LRB- ( 24h -RRB- ) ) ) ) , ) ( ( the amount ) ( of time ) ) ) ) ) ) ) ( it ( ( takes ( for ( the ( Earth ( to ( ( complete ( a ( full rotatation ) ) ) ( on ( ( it 's ) axis ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (S (NP (NP (NNP RA)) (PP (IN for) (NP (DT the) (JJ entire) (JJ celestial) (NN sphere)))) (VP (VBZ is) (VP (VBN divided) (PP (IN into) (NP (NP (CD 24) (NNS hours) (PRN (-LRB- -LRB-) (NP (NNP 24h)) (-RRB- -RRB-))) (, ,) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN time))))))))) (NP (PRP it)) (VP (VBZ takes) (PP (IN for) (NP (DT the) (NN Earth) (S (VP (TO to) (VP (VB complete) (NP (DT a) (JJ full) (NN rotatation)) (PP (IN on) (NP (NP (PRP it) (POS 's)) (NNS axis))))))))) (. .)))
RA for the entire celestial sphere is divided into 24 hours ( 24h ), the amount of time it takes for the Earth to complete a full rotatation on it's axis.
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NP (CD 24) (NNS hours)) (PP (IN for) (NP (DT the) (NN earth) (S (VP (TO to) (VP (VB make) (NP (NP (DT a) (JJ complete) (NN rotation)) (PP (IN of) (NP (PRP$ its) (NNS axis))))))))))) (. .)))