Light, Nature, Outdoors, Sunlight, Sky, Sun, Lighting, Slope, halo, optical, sun, optical device, phenomenon, illusion, light, ocular, appearance, visual, aura
Halo Optical phenomenon Description Halo is the name for a family of optical phenomena produced by sunlight interacting with ice crystals suspended in the atmosphere. Halos can have many forms, ranging from colored or white rings to arcs and spots in the sky.