events
Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
Related Wikipedia articles
Apollo–Soyuz
First international crewed spaceflight mission
Apollo–Soyuz was the first crewed international space mission, carried out jointly by the United States and the Soviet Union in July 1975. Millions of people around the world watched on television as an American Apollo spacecraft docked with a Soviet Soyuz capsule. The project,…Source: Wikipedia (CC BY-SA)
Apollo program
1961–1972 American crewed lunar exploration program
The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which landed the first humans on the Moon in 1969. Apollo was conceived during Project Mercury and executed after Project Gemini. It was conceived in 1960 as a…Source: Wikipedia (CC BY-SA)
Soyuz (spacecraft)
Series of spacecraft designed for the Soviet space programme
Soyuz is a series of spacecraft which has been in service since the 1960s, having made more than 140 flights. It was designed for the Soviet space program by the Korolev Design Bureau. The Soyuz succeeded the Voskhod spacecraft and was originally built as part of the Soviet…Source: Wikipedia (CC BY-SA)
Orbit
Curved path of an object around a point
In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as a planet, moon, asteroid, or Lagrange…Source: Wikipedia (CC BY-SA)