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
This is Modern Art 4, including "Impressionism Revenge of The Nice", "Self Portraits The Me Generations" and This Is Civilisation. This is Modern Art This Is Modern Art was a six-part TV series written and presented by the English art critic Matthew Collings. It was broadcast in 1999 on Channel 4. The series won several awards including a BAFTA. It became popular both because of its sometimes jokey and sometimes thoughtful explanations of the work and attitude of a new wave of artists that had recently been publicized in the British mass media, and because of its author's witty and irreverent, though clearly highly