|FREE PICTURES, CHEAP STOCK PHOTOS, AND TRAVEL PHOTOGRAPHY|
Many early landmarks in space exploration were achieved by the Soviet space program, such as the first artificial satellite, Sputnik (1957); the first animal in space, Laika (1957); the first human in space, Yuri Gagarin (1961); the first spacewalk, Aleksei Leonov (1965); and the first soft landing on the moon, Luna 9 (1966). However, the United States' NASA Apollo program was the first to land humans, Neil Armstrong and Buzz Aldrin, on the moon in 1969.
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