Hello, in the language and Latin writing ἅλως, also called as the nimbus or gloriole. Is an optical phenomenon that displays a ring around the source of light. In nature we usually see during a full moon or the time
bright sun in the daytime. This phenomenon occurs due to reflection and refraction sun / moon by ice crystals contained in cirrus clouds, clouds that are located on levels atmosphere called the troposphere, approximately 5-10 km from earth's surface.