boundary-layer edge
41August Raspet — Dr. August Gus Raspet (24 August 1913 27 April 1960) was one of the most influential contributors to the science of aeronautics, dealing primarily with efficiency in flight, aerodynamics and wing design structures. His contributions to the field… …
42Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …
43telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
44Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …
45Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… …
46Gurney flap — The Gurney Flap (or wickerbill) is a small flat tab projecting from the trailing edge of a wing. Typically it is set at a right angle to the pressure side surface of the airfoil,cite journal author = Van Dam, C.P. coauthors = Yen, D.T.; Vijgen, P …
47Chad Basin — The Chad Basin, also known as the Lake Chad Basin, is a large lowland area in north central Africa. In all directions from the center of this area the elevation changes are gentle. The Chad Basin is an endorheic (closed) basin its water does not… …
48Sea surface temperature — Weekly average sea surface temperature for the World Ocean during the first week of February 2011, during a period of La Niña …
49Magnetosphere — A magnetosphere is formed when a stream of charged particles, such as the solar wind, interacts with and is deflected by the intrinsic magnetic field of a planet or similar body. Earth is surrounded by a magnetosphere, as are the other planets… …
50Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth …
