Atmospheric optics wavelengths. A halo (ἅλως; also known as a nimbus, icebow or gloriole) is an optical phenomenon produced by the interaction of light from the sun or moon with ice crystals in the atmosphere, resulting in colored or white arcs, rings or spots in the sky. Many halos are positioned near the sun or moon, but others are elsewhere and even in the opposite part of the sky. They can also form around artificial lights in very cold weather when ice crystals called diamond dust are floating in the nearby air. There are many types of ice halos. They are produced
Aureole (horse) Aureole (horse) Aureole (1950–1975) was a British Thoroughbred racehorse and sire who was owned by Queen Elizabeth II. In a career which lasted from August 1952 until July 1954, he ran fourteen times and won eleven races. As a three-year-old in 1953, he won the Lingfield Derby Trial before finishing second to Pinza in both The Derby and the King George VI and Queen Elizabeth Stakes. He reached his peak as a four-year-old in 1954 when he won his last four races: the Victor Wild Stakes at Kempton, the Coronation Cup at Epsom, the Hardwicke Stakes at Royal Ascot and