Space Shuttle — STS redirects here. For other uses, see STS (disambiguation). This article is about the NASA Space Transportation System vehicle. For the associated NASA STS program, see Space Shuttle program. For other shuttles and aerospace vehicles, see… … Wikipedia
Nuclear pulse propulsion — An artist s conception of the Project Orion basic spacecraft, powered by nuclear pulse propulsion. Nuclear pulse propulsion (or External Pulsed Plasma Propulsion, as it is termed in one recent NASA document[1]) is a proposed method of spacecraft… … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… … Wikipedia
Spaceplane — A Space Shuttle rocketing into space, just after booster separation. A spaceplane is a vehicle that operates as an aircraft in Earth s atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft,… … Wikipedia
Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… … Wikipedia
Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr … Wikipedia
Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 … Wikipedia
Nuclear thermal rocket — Sketch of nuclear thermal rocket … Wikipedia
Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) … Wikipedia