English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
Area 51 — This article is about the U.S. Air Force installation in Nevada. For other uses, see Area 51 (disambiguation). Area 51 … Wikipedia
Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… … Wikipedia
Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… … Wikipedia
Silver ratio — The silver ratio is a mathematical constant. Its name is an allusion to the golden ratio; analogously to the way the golden ratio is the limiting ratio of consecutive Fibonacci numbers, the silver ratio is the limiting ratio of consecutive Pell… … Wikipedia
Bay Area Rapid Transit — Infobox Public transit name = Bay Area Rapid Transit imagesize = 100px locale = San Francisco Bay Area transit type = Rapid transit began operation = September 11, 1972 system length = convert|104|mi|km|abbr=on lines = 5 stations = 43 (1 under… … Wikipedia
Dallastown Area School District — Address 700 New School Lane Dallastown, Pennsylvania, York … Wikipedia
Chambersburg Area School District — Address 435 Stanley Ave Chambersburg, Pennsylvania, Cumberland, 1 … Wikipedia
Mechanicsburg Area School District — Address 100 E. Elmwood Ave, 2nd floor Mechanicsburg, Pennsylvania, Cumberland … Wikipedia
Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… … Wikipedia
Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr … Wikipedia
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
