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Use "supermassive" in a sentence
"Earlier this year, NASA reported that the Swift telescope had detected dual black holes, that is, a supermassive blackhole at the center of a galaxy located extremely close to another galaxy with a blackhole at its center--a rarely observed occurrence."
"Most galaxies are thought to harbor central, huge blackholes dubbed supermassive blackholes."
"Over the past decade or two, black holes have been discovered all over the place-small ones peppered around the Milky Way and huge ones, impressively called "supermassive" black holes, lurking the centers of galaxies."