( ( The ( Keck Telescopes ) ) ( ( operate ( in ( ( the ( ( ( visible and ) infrared ) wavelengths ) ) ( of light ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Keck) (NNP Telescopes)) (VP (VBP operate) (PP (IN in) (NP (NP (DT the) (ADJP (JJ visible) (CC and) (JJ infrared)) (NNS wavelengths)) (PP (IN of) (NP (NN light)))))) (. .)))
The Keck Telescopes operate in the visible and infrared wavelengths of light.
(ROOT (S (NP (NP (NNP Light)) (PP (IN with) (NP (DT the) (JJS longest) (NNS wavelengths)))) (VP (VBZ is) (VP (VBN called) (NP (JJ infrared) (NN light)))) (. .)))