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Apollo 12, launched November 14, 1969, was the second mission to land humans on the Moon. Astronauts Pete Conrad and…
The Apollo 10 mission was the first flight of a complete, crewed Apollo spacecraft to operate around the Moon. It…
Apollo 9 (March 3–13, 1969) was a Type D mission, a lunar module manned flight demonstration in Earth orbit.
Explorer 1 was the first satellite launched by the United States when it was sent into space on January 31,…
Explorer 1 was the first satellite launched by the United States when it was sent into space on January 31,…
STS-51J was the 21st NASA Space Shuttle mission and the first flight of Space Shuttle Atlantis.
