A stunning shot of the rising over Rocky Mountain National Park’s Longs Peak. At feet, Longs Peak towers above all other summits in Rocky Mountain. The flat-topped monarch is seen from almost anywhere in the park. Photo by Pat Gaines
Clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.