Space tourism (Personal Spaceflight)

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  Space station

  A space station is an artificial structure designed for humans to live in outer space. To date, only low earth orbital (LEO) stations have been implemented, otherwise known as orbital stations. A space station is distinguished from other manned spacecraft by its lack of major propulsion or landing...
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  Human adaptation to space

  Human physiological adaptation to the conditions of space is a challenge faced in the development of human spaceflight. The fundamental engineering problems of escaping Earth's gravity well and developing systems for in-space propulsion have been examined for well over a century, and millions of...
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  Human spaceflight

  Human spaceflight is spaceflight with a human crew and possibly passengers. This makes it unlike robotic space probes or remotely-controlled satellites. Human spaceflight is sometimes called manned spaceflight, a term now deprecated by major space agencies in favor of its gender-neutral alternative...
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  Private spaceflight

  Private spaceflight is flight above 100 km (62 mi) Earth altitude conducted by and paid for by an entity other than a government. In the early decades of the Space Age, the government space agencies of the Soviet Union and United States pioneered space technology augmented by collaboration with...
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  Aerospace Engineering

  Aerospace engineering is the branch of engineering behind the design, construction and science of aircraft and spacecraft. It is broken into two major and overlapping branches: aeronautical engineering and astronautical engineering. The former deals with craft that stay within Earth's atmosphere,...
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  Spacecraft

  A spacecraft is a craft or machine designed for spaceflight. On a sub-orbital spaceflight, a spacecraft enters space then returns to the Earth. For an orbital spaceflight, a spacecraft enters a closed orbit around the planetary body. Spacecraft used for human spaceflight carry people on board as...
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  Microgravity environment

  A micro-g environment (also µg, often referred to by the term microgravity) is one where the acceleration induced by gravity has little or no measurable effect, gravity itself does not change. The only three methods of creating a micro-g environment are to travel far enough into deep space so as to...
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  Commercialization of space

  Commercialization of space is the use of equipment sent into or through outer space to provide goods or services of commercial value, either by a corporation or state. Current examples of the commercial use of space include satellite navigation systems, satellite television and satellite radio. The...

• Sub-orbital spaceflight

  A sub-orbital spaceflight is a spaceflight in which the spacecraft reaches space, but its trajectory intersects the atmosphere or surface of the gravitating body from which it was launched, so that it does not complete one orbital revolution. For example, the path of an object launched from Earth...

• Space exploration

  *Portal:Space_Exploration