“A lunar halo is created when light is refracted, reflected, and dispersed through ice crystals suspended in cirrus or cirrostratus clouds located at an altitude of 20,000 feet (6,000 meters) and higher, up to 40,000 feet (12,000 meters).” - space.com
“A lunar halo is created when light is refracted, reflected, and dispersed through ice crystals suspended in cirrus or cirrostratus clouds located at an altitude of 20,000 feet (6,000 meters) and higher, up to 40,000 feet (12,000 meters).” - space.com