variable speed aerial (
81astronomy — /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,… …
82Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… …
83Concorde — For other uses, see Concorde (disambiguation). Concorde Role Supersonic airliner …
84Tupolev Tu-144 — Tu 144 Aeroflot Tu 144 at the Paris Air Show in 1975 …
85Dassault Mirage III — Mirage III Royal Australian Air Force Mirage IIIO(F) (fighter) from 2 Operational Conversion Unit. Role …
86Messerschmitt Bf 109 — Bf 109 Restored Messerschmitt Bf 109G 6 Role Fighter Manufacturer …
87Control line — Brodak Control Line Aerobatic Strega in flight Control line (also called U Control ) is a simple and light way of controlling a flying model aircraft. The aircraft is connected to the operator by a pair of lines, attached to a handle, that work… …
88Bird vocalization — Bird song redirects here. For other uses, see Birdsong (disambiguation). A male Blackbird (Turdus merula) singing. Bogense havn, Funen, Denmark.   …
89Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
90Dewoitine D.520 — D.520 of the Dewoitine D.520 preserved at Musée de l Air et de l Espace Role …
