night visibility

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• Night combat — is combat that occurs during the hours of darkness. It is distinguished from daytime combat by lower visibility and its reversed relation to the Circadian cycle. Typically combat at night is favorable to the attacker, with offensive tactics being …   Wikipedia

• visibility — [viz΄ə bil′ə tē] n. pl. visibilities [LL visibilitas] 1. the fact or condition of being visible 2. a) the relative possibility of being seen under the conditions of distance, light, and atmosphere prevailing at a particular time [the poor… …   English World dictionary

• Night operations (military) — Night operations are military activity performed in the very low light environments, typically at night. Due to restricted visibility, until recently night operations were among the most difficult for troops to perform tasks and carry out… …   Wikipedia

• Night fighter — A Lichtenstein radar equipped German Bf 110G 4 night fighter at the Royal Air Force Museum London at the Hendon Aerodrome. A night fighter (also known as all weather fighter or all weather interceptor for a period of time post World War II[ …   Wikipedia

• Night sky — For other uses, see Night sky (disambiguation). The Moon is the most common major object viewed in the night sky …   Wikipedia

• Night of the Long Knives — For other uses, see Night of the Long Knives (disambiguation). Although the …   Wikipedia

• Night skiing — A trail lighted at night for night skiing Night skiing is the sport of skiing or snowboarding after sundown, offered at many ski resorts and mountains. There are usually electric lights along the piste which allow for better visibility. It… …   Wikipedia

• visibility — The ability as determined by atmospheric conditions and expressed in units of distance, to see and identify prominent unlighted objects by day and prominent lighted objects by night (ICAO). The lighted objects are of specified candlepower. While… …   Aviation dictionary

• surface visibility — Visibility observed from eye level above the ground. It is the distance at which prominent objects are clearly visible during the day and at night with lights of specified luminosity …   Aviation dictionary

• Zero Visibility Corp — is a contemporary dance company based in Oslo, Norway which was founded in 1996 by its choreographer Ina Christel Johannessen and lighting and set designer, Jens Sethzman. Their productions are developed from improvisation with a stylistic… …   Wikipedia

• Architecture of the night — De Volharding Building, The Hague, 1928 by Jan Buijs, photographed in 1930 …   Wikipedia