( It ( ( measures ( ( ( roughly 130,000 ) ( light years ) ) ( ( across : ) ( ( slightly larger ) ( than ( ( ( our ( own galaxy ) ) , ) ( the ( Milky Way ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ measures) (NP (NP (QP (RB roughly) (CD 130,000)) (JJ light) (NNS years)) (PP (IN across) (: :) (NP (NP (RB slightly) (JJR larger)) (PP (IN than) (NP (NP (PRP$ our) (JJ own) (NN galaxy)) (, ,) (NP (DT the) (NNP Milky) (NNP Way)))))))) (. .)))
It measures roughly 130,000 light years across: slightly larger than our own galaxy, the Milky Way.
(ROOT (FRAG (S (S (VP (TO To) (VP (VB express) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (NP (DT the) (JJ milky) (NN way) (NN galaxy)) (CC and) (NP (JJ other) (NNS galaxies)))))))) (, ,) (NP (NP (DT the) (ADJP (RBS most) (JJ appropriate)) (NN unit)) (PP (IN of) (NP (NN measurement)))) (VP (VBZ is) (NP (DT the) (NN light-year))))))