braking orbit
21Mars 96 — Model of the Mars 96 Orbiter Operator Russian Space Forces Mis …
22Chang'e 2 — Operator CNSA Mission type Orbiter / impactor Satellite of The Moon …
23Mars 3 — Orbiter Mars 3 Orbiter Operator  Soviet Union …
24Shenzhou 6 — ] At 01:39 UTC Chen Bingde, the Chief Commander of the Chinese space program, announced the launch was successful. The crew ate their first meal in space at 03:11 UTC.Before the flight, the launch time had been the object of speculation by the… …
25STS-121 — Infobox Space mission mission name = STS 121 insignia = STS 121 patch.png shuttle = Discovery crew members = 7 up, 6 down launch pad = LC 39B launch = July 4, 2006, 18:37:55 UTC landing = July 17, 2006, 13:14:43 UTC duration = 12 days 18 hours 37 …
26Fuel efficiency in transportation — This page describes fuel efficiency in means of transportation. For the environmental impact assessment of a given product or service throughout its lifespan, see life cycle assessment. Caveats Comparing Fuel efficiency in transportation is a bit …
27Space elevator safety — There are many safety issues associated with the construction and operation of a space elevator. A space elevator would present a considerable navigational hazard, both to aircraft and spacecraft. Aircraft could be dealt with by means of simple… …
28Galileo (spacecraft) — Infobox Spacecraft Name = Galileo Orbiter Caption = Galileo is prepared for mating with the IUS booster Organization = NASA Major Contractors = Mission Type = Orbiter, fly by Flyby Of = Venus, Earth, 951 Gaspra, 243 Ida Satellite Of = Jupiter… …
29spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
30Space elevator economics — compared and contrasted with the economics of alternatives, like rockets. Costs of current systems (rockets) The costs of using a well tested system to launch payloads are high. Prices range from about $4,300/kg for a Proton launch [cite web… …
