space engine
51Engine — This article is about a machine to convert energy into useful mechanical motion. For other uses of engine, see Engine (disambiguation). For other uses of motor, see Motor (disambiguation). A V6 internal combustion engine from a Mercedes car An… …
52Engine knocking — Pinging redirects here. For other uses, see Ping (disambiguation). Knocking (also called knock, detonation, spark knock, pinging or pinking) in spark ignition internal combustion engines occurs when combustion of the air/fuel mixture in the… …
53Engine (disambiguation) — An engine is a device that converts potential energy into mechanical work. Engine may also refer to:In thermodynamics: * Heat engine, a physical or theoretical device that converts thermal energy to mechanical output * Reciprocating engine, a… …
54Space Shuttle Discovery — Discovery OV 103 Space Shuttle Discovery launches from NASA Kennedy Space Center Launch Pad 39A on mission STS 124. OV designation OV 103 Country …
55Space Shuttle Atlantis — Atlantis OV 104 Atlantis launching STS 122 mission to dock with the International Space Station OV designation OV 104 Country United States …
56Space Shuttle Endeavour — Endeavour OV 105 Space Shuttle Endeavour on launch pad 39A prior to mission STS 127, May 31, 2009 OV designation OV 105 Country United Sta …
57Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …
58Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
59Space Shuttle program — This article is about the United States Space Shuttle program. For the shuttle itself, see Space Shuttle. For information on the Soviet space shuttle program, see the article Buran program. Space Shuttle program Duration 1981 2011 …
60Space habitat — A pair of O Neill cylinders …
