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Spaceflight is the movement of spacecraft into and through outer space, primarily using rocket technology for propulsion. Spaceflight is used in space exploration, the endeavour to reach, explore, and exploit the space outside the Earth's atmosphere, and also in commercial activities like space tourism and satellite telecommunications. It is generally based on the use of rockets to transport machines, animals, and humans to, and subsequently through, space. Additional non-commercial uses of spaceflight include space observatories, reconnaissance satellites and other earth observation satellites. Objects launched into space may follow a sub-orbital trajectory and return to Earth immediately, stay in orbit around Earth, travel in the space between the planets, or aim to leave the space dominated by the Sun completely.
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The first stage of a Falcon 9 full thrust rocket lands at Landing Zone 1, Cape Canaveral Air Force Station, during Falcon 9 Flight 20 at 01:38 UTC on December 22, 2015 (8:38pm December 21 EST). This was the first successful ground landing of a first stage that was used to launch an orbital payload. The payload it launched, eleven Orbcomm G2 satellites, were successfully placed in orbit, its orbital insertion occurring at the same time as the first stage's landing.
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Ariel 1, also known as UK-1 and S-55, was the first British satellite. Its launch in 1962 made the United Kingdom the third country to operate a satellite, after the Soviet Union and the USA. It was constructed in the United States by NASA, under an agreement reached as the result of political discussions in 1959 and 1960.
NASA constructed and launched the satellite, whilst SERC provided the experiments, conducted operations, and later analysed and interpreted the results. Ariel 1 was launched aboard an American Thor-Delta rocket from Launch Complex 17A at the Cape Canaveral Air Force Station, on 26 April 1962. It decayed from orbit on 24 April 1976.
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Neil Alden Armstrong (August 5, 1930–25 August, 2012) was an American astronaut, test pilot, university professor, and United States Naval Aviator. He is the first person to set foot on the Moon. After serving as a naval aviator from 1949 to 1952 in the Korean War, Armstrong joined the National Advisory Committee for Aeronautics (NACA) in 1955. Over the next 17 years, he was an engineer, test pilot, astronaut and administrator for NACA and its successor agency, the National Aeronautics and Space Administration (NASA). As a research pilot, Armstrong served as project pilot on the F-100 Super Sabre A and C aircraft, F-101 Voodoo, and the Lockheed F-104A Starfighter. His first spaceflight was aboard Gemini 8 in 1966, for which he was the command pilot. On this mission, he performed the first manned docking of two spacecraft together with pilot David Scott. Armstrong's second and last spaceflight was as mission commander of the Apollo 11 moon landing mission on July 20, 1969. On this mission, Armstrong and Buzz Aldrin descended to the lunar surface and spent 2½ hours exploring making him the first human to walk on the Moon, while Michael Collins remained in orbit in the Command Module. Armstrong is a recipient of the Congressional Space Medal of Honor.
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Astrodynamics • Human spaceflight • ISS • Orbit • Outer space • Robotic spacecraft • Rocket • Satellite • Space exploration • Spaceflight • Timeline of spaceflight
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