orbital-transfer maneuver
51Oberth effect — In astronautics, the Oberth effect is where the use of a rocket engine when travelling at high speed generates much more useful energy than one at low speed. Oberth effect occurs because the propellant has more usable energy (due to its kinetic… …
52Chandrayaan-1 — Operator Indian Space Research Organisation Mission type Orbiter Satellite of Moon Orbital insertion date 8 November 2008 Orbits 3400 orbits around the …
53New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …
54Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
55chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
56spaceflight — /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 …
57Venus Express — Infobox Spacecraft Name = Venus Express Caption = Venus Express in Venus orbit Organization = ESA Major Contractors = EADS Astrium, Toulouse, France, leading a team of 25 subcontractors from 14 European countries. Mission Type = Orbiter Satellite …
58Mars Reconnaissance Orbiter — Conceptual image depicting the Mars Reconnaissance Orbiter in an elliptical low planet orbit around Mars Operator NASA / JPL Major contractors Lockheed Ma …
59Nozomi (spacecraft) — Nozomi Nozomi at Mars Operator JAXA Mission type Orbiter Satellite of Mars …
60Interplanetary Transport Network — The Interplanetary Transport Network (ITN) [Ross, S. D. 2006 [http://dx.doi.org/10.1511/2006.59.994 The Interplanetary Transport Network] . American Scientist 94:230 237.] is a collection of gravitationally determined pathways through the solar… …
