570MP dark energy camera to determine 3/4 of the universe

This four-ton 570MP dark energy camera with five-foot-tall shutter and filters is designed to take pictures of dark energy. The DECam at Chicago's Fermilab, is completed about 80%, afer completion, it'll be shipped off to the Cerro Tololo Inter-American Observatory in
Chile. it'll be used to determine the magnitude of 3/4 of the universe which is made up of dark energy