Dark energy camera takes first pictures
CERRO TOLOLO, Chile – After eight years in the making, the most powerful sky-mapping machine ever created, the 570-megapixel Dark Energy Camera (DECam), achieved first light on Sept. 12. The camera was constructed at Fermi National Accelerator Laboratory in Batavia, Ill., and mounted on the Victor M. Blanco telescope at the National Science Foundation’s Cerro Tololo Inter-American Observatory, the southern branch of the US National Optical Astronomy Observatory. With this device, roughly the size of a phone...