( ( From ( ( the Moon ) ( to Mars ) ) ) ( , ( ( Mercury ( to Pluto ) ) ( , ( ( discover ( what ( scientists ( have ( ( learned ( about ( our ( solar system ) ) ) ) ( since ( ( manned ( space exploration ) ) ( began ( ( three decades ) ago ) ) ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (PP (IN From) (NP (NP (DT the) (NN Moon)) (PP (TO to) (NP (NNP Mars))))) (, ,) (NP (NP (NNP Mercury)) (PP (TO to) (NP (NNP Pluto)))) (, ,) (VP (VBP discover) (SBAR (WHNP (WP what)) (S (NP (NNS scientists)) (VP (VBP have) (VP (VBN learned) (PP (IN about) (NP (PRP$ our) (JJ solar) (NN system))) (SBAR (IN since) (S (NP (JJ manned) (NN space) (NN exploration)) (VP (VBD began) (ADVP (NP (CD three) (NNS decades)) (RB ago)))))))))) (. .)))
From the Moon to Mars, Mercury to Pluto, discover what scientists have learned about our solar system since manned space exploration began three decades ago.
(ROOT (S (NP (NNP Pluto)) (VP (VBZ has) (NP (CD three) (NNS moons))) (. .)))