Space Programs

Human spaceflight is space exploration with a human crew and possibly passengers, which is in contrast to robotic space probes or remotely-controlled unmanned space missions. more...

On occasion, passengers of other species have ridden aboard spacecraft, although not all survived the return to earth. Dogs, not humans, were the first large mammals launched from Earth. The first human spaceflight was Vostok 1 on April 12, 1961; Soviet cosmonaut Yuri Gagarin made one orbit around the earth. The highest Earth orbit attained by a piloted vehicle was Gemini 11 in 1966, which reached a height of 1374 km. The Space Shuttle on the missions to launch and service the Hubble Space Telescope has also reached high earth orbit at an altitude of around 600 km.

The destination of human spaceflight missions beyond Earth orbit has only been the Moon, which is itself in Earth orbit. On the first such mission, Apollo 8, the crew orbited the Moon. Apollo 10 was the next mission, and it tested the lunar landing craft in lunar orbit without actually landing. The six missions that landed were Apollo 11-17, excluding Apollo 13. On each mission, two of the three astronauts involved landed on the moon; thus, in the late 1960s and early 1970s NASA's Apollo program landed twelve men on the Moon--returning them all to Earth.

As of 2005 piloted space missions have been carried out by Russia, the People's Republic of China, and the United States. Missions carried out by the United States are both governmental (NASA) and civilian (Scaled Composites, a California-based company). Brazil, Canada, Europe, India, Japan and Ukraine also have active space programs. The Indian Parliament recently sanctioned funds to the Indian Space Research Organization for a human spaceflight by 2008 (although the programme has now been scaled down to start with an unmanned orbiting satellite for surveying--see Chandrayaan). Japan has announced a program to place a person on the moon by 2025.

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