component designation
1United States Department of Defense aerospace vehicle designation — A United States Department of Defense aerospace vehicle designation is determined by a detailed protocol which identifies all aircraft, helicopters, rockets, missiles, spacecraft, and other aerial vehicles in military use by the United States… …
2Protected Designation of Origin — Herkunftsbezeichnungen (auch: Herkunftsangaben) von Agrarerzeugnissen und Lebensmitteln sind Produktnamen, die eine direkte geographische Zuordnung ermöglichen (Schwarzwälder Schinken) oder die fest einer Region zuzuordnen sind (Sherry).… …
3Multiple star — Artist s impression of the orbits of HD 188753, a triple star system A multiple star consists of three or more stars which appear from the Earth to be close to one another in the sky. This may result from the stars being physically close and… …
4Aerospace Defense Command — Emblem of Aerospace Defense Command (1969 1979) Active 1946–1980 Country …
5Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
6Northrop P-61 Black Widow — P 61 Black Widow A P 61A 1NO of 419th Night Fighter Squadron Role Night fighter …
7Alpha Centauri — This article is about α Centauri . For a Centauri , see V761 Centauri. For A Centauri , see A Centauri. For other uses, see Alpha Centauri (disambiguation). Alpha Centauri A[1]/B[2] …
8Double star — For other uses, see Double star (disambiguation). In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because… …
9Convair B-58 Hustler — B 58 Hustler B …
10Arrow pushing — or electron pushing is a technique used to describe the progression of organic chemistry reaction mechanisms.[1] In using arrow pushing, curved arrows or curly arrows are superimposed over the structural formulae of reactants in a chemical… …
