( ( The light ) ( ( is ( ( ( collected ( by ( the ( concave ( ( -LRB- ( ( ( ( curved inward ) , ) ( like ( a bowl ) ) ) -RRB- ) ) ( primary mirror ) ) ) ) ) ) and ) ( reflected ( toward ( the ( smaller ( , ( convex ( ( -LRB- ( ( ( ( curved outward ) , ) ( like ( a dome ) ) ) -RRB- ) ) ( secondary mirror ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN light)) (VP (VBZ is) (VP (VP (VBN collected) (PP (IN by) (NP (DT the) (JJ concave) (PRN (-LRB- -LRB-) (NP (NP (JJ curved) (NN inward)) (, ,) (PP (IN like) (NP (DT a) (NN bowl)))) (-RRB- -RRB-)) (JJ primary) (NN mirror)))) (CC and) (VP (VBN reflected) (PP (IN toward) (NP (DT the) (ADJP (JJR smaller)) (, ,) (NN convex) (PRN (-LRB- -LRB-) (NP (NP (JJ curved) (NN outward)) (, ,) (PP (IN like) (NP (DT a) (NN dome)))) (-RRB- -RRB-)) (JJ secondary) (NN mirror)))))) (. .)))
The light is collected by the concave (curved inward, like a bowl) primary mirror and reflected toward the smaller, convex (curved outward, like a dome) secondary mirror.
(ROOT (S (NP (DT A) (NN convex) (NN mirror)) (VP (VBZ is) (VP (VBN shaped) (PP (IN like) (NP (NP (DT the) (NN outside)) (PP (IN of) (NP (DT a) (NN bowl))))))) (. .)))
A convex mirror is shaped like the outside of a bowl.