zero period ground acceleration
51navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
52spaceflight — /spays fluyt /, n. the flying of manned or unmanned spacecraft into or in outer space. Also, space flight. [1945 50; SPACE + FLIGHT1] * * * Introduction flight beyond Earth s atmosphere. This article deals with the basic concepts associated with …
53ARCA (NGO) — ARCA Type Private Industry Aerospace and space tourism Founded 1999 …
54F-104 Starfighter — infobox Aircraft name= F 104 Starfighter caption= A Fokker built, German owned F 104G in USAF markings in August 1979 type= Interceptor aircraft, fighter bomber national oigin = United States manufacturer= Lockheed designer= Clarence Kelly… …
55Rotation around a fixed axis — Rotational motion can occur around more than one axis at once, and can involve phenomena such as wobbling and precession. Rotation around a fixed axis is a special case of rotational motion, which does not involve those phenomena. The kinematics… …
56Big Bang — This article is about the cosmological model. For the sitcom, see The Big Bang Theory. For other uses, see Big Bang (disambiguation) …
57light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
58Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
59Hawker Hurricane — Hurricane Hurricane Mk I (R4118), which fought in the Battle of Britain Role Fighter …
60List of Universal Century technology — This is a list of fictional technology from the Universal Century timeline of the Gundam anime metaseries. Real Life History These technologies first debuted in Gundam Century , written by fans at that time, later endorsed by Sunrise and Bandai,… …
