nautical astronomy

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• nautical astronomy — noun : practical astronomy by which the position of a ship or airplane is found by astronomical observations …   Useful english dictionary

• Nautical time — The establishment of nautical standard times, nautical standard time zones and the nautical date line were recommended by the Anglo French Conference on Time keeping at Sea in 1917. The Conference recommended that the standard apply to all ships …   Wikipedia

• astronomy — астрономия nautical astronomy мореходная астрономия physical astronomy физическая астрономия space astronomy внеатмосферная астрономия molecular astronomy молекулярная астрономия radar astronomy радиолокационная астрономия …   English-Russian travelling dictionary

• nautical tables — noun plural : arithmetical tables especially adapted to facilitate a navigator s work in solving problems particularly in nautical astronomy …   Useful english dictionary

• astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… …   Universalium

• Nautical mile — 1 nautical mile = SI units 1.85200 km 1,852.00 m US customary / Imperial units 1.15078 mi 6,076.12 ft The nautical mile (symbol M, NM or nmi) is a unit of length that is about one minute of arc of latitude along a …   Wikipedia

• practical astronomy — noun : a branch of astronomy dealing with the making of observations of the celestial bodies for navigation and other position finding purposes on the earth compare nautical astronomy …   Useful english dictionary

• Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …   Wikipedia

• Lunar distance (navigation) — For the history of the lunar distance method, see History of longitude. Finding Greenwich time while at sea using a lunar distance. The Lunar Distance is the angle between the Moon and a star (or the Sun). The altitudes of the two bodies are used …   Wikipedia

• Josef de Mendoza y Ríos — Retrato de Mendoza y Ríos. Nacimiento 29 de enero de 1761 Sevilla …   Wikipedia Español

• Geography in medieval Islam — Islamic geography includes the advancement of geography, cartography and earth sciences under various Islamic civilizations. During the medieval ages, Islamic geography was driven by a number of factors: the Islamic Golden Age, parallel… …   Wikipedia