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) summer, he was treated by a neurologist in an attempt to improve his temperament. In the St Leger at Doncaster in September, Aureole was made 6/4 favourite ahead of the Grand Prix de Paris winner Northern Light. Both the Queen and Sir Winston Churchill were in attendance on a fine autumn day which attracted a crowd of 250,000 to the Yorkshire course. Aureole again became agitated in the preliminaries and refused to settle in the race, fighting the attempts of his jockey Harry Carr to restrain him. He challenged for the lead in the straight but faded to finish third