Transit (satellite) — Transit 2A with GRAB 1 atop during launch preparations The TRANSIT system, also known as NAVSAT (for Navy Navigation Satellite System), was the first satellite navigation system to be used operationally. The system was primarily used by the U.S.… … Wikipedia
Transit de phobos depuis mars — Transit de Phobos devant le Soleil, photographié par le rover Opportunity le 10 mars 2004 Un transit astronomique de Phobos devant le Soleil se produit depuis Mars lorsque Phobos passe directement entre le Soleil et Mars, obscurcissant une petite … Wikipédia en Français
Transit de Phobos depuis Mars — Transit de Phobos devant le Soleil, photographié par le rover Opportunity le 10 mars 2004 Un transit astronomique de Phobos devant le Soleil se produit depuis Mars lorsque Phobos passe directement entre le Soleil et Mars, obscurcissant une petite … Wikipédia en Français
Transit of Phobos from Mars — [ right|240px|thumbnail|Phobos transits the Sun, as seen by Mars Rover Opportunity on March 10 2004] A transit of Phobos across the Sun as seen from Mars takes place when Phobos passes directly between the Sun and a point on the surface of Mars,… … Wikipedia
Transit Research and Attitude Control — The Transit Research and Attitude Control (TRAAC) satellite was launched by the U.S. Navy from Cape Kennedy along with Transit 4B on November 15, 1961. The 109 kg satellite was used to test the feasibility of using gravity gradient stabilization… … Wikipedia
Transit telescope — A transit telescope is a special purpose telescope mounted so as to allow it to be pointed only at objects in the sky crossing the local meridian, an event known as a transit. These telescopes rely on the rotation of the Earth to bring objects… … Wikipedia
Altitude — L altitude est l élévation verticale d un lieu ou d un objet par rapport à un niveau de base. C est une des composantes géographique et biogéographique qui explique la répartition de la vie sur terre. L altitude est aussi une grandeur qui exprime … Wikipédia en Français
transit circle — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… … The Collaborative International Dictionary of English
route de transit à basse altitude — mažo aukščio tranzito maršrutas statusas T sritis Gynyba apibrėžtis Apibrėžto dydžio laikinas oro koridorius priešakiniame rajone, nustatytas siekiant saviems orlaiviams sumažinti riziką, kurią gali kelti draugiškos oro erdvės gynybos ir sausumos … NATO terminų aiškinamasis žodynas
High altitude nuclear explosion — High altitude nuclear explosions have historically been nuclear explosions which take place above altitudes of 50 km, still inside the Earth s atmosphere. Such explosions have been tests of nuclear weapons, used to determine the effects of the… … Wikipedia