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1957 - 1959
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| 1957 |
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Oct. 4 - |
USSR launches Sputnik 1.
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Nov. 3 - |
USSR launches Sputnik 2 which carried a small dog named Laika into orbit.
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| 1958 |
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Jan. 31 - |
Explorer 1, the first American satellite to reach orbit, is launched. It carried scientific equipment that lead to the discovery of the Van Allen radiation belt.
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Mar. 5 - |
Explorer 2 is launced but it fails to reach orbit.
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Mar. 17 - |
The Vanguard 1 satellite is launched. It continues to function for 3 years.
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May 15 - |
Sputnik 3 is launched.
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Oct. 1 - |
The National Aeronautics and Space Administration (NASA) is formed, it replaces the National Advisory Committee on Aeronautics (NACA).
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Oct. 11 - |
Pioneer 1 is launched to a height of 70,700 miles.
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| 1959 |
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Jan. 2 - |
Luna 1 is launched by the USSR. It is the first man made object to orbit the Sun.
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Mar. 3 - |
Pioneer 4 is launched on a Earth-Moon trajectory. It passed within 37,000 miles of the Moon before falling into a solar orbit.
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Apr. 2 - |
The "Mercury Seven" astronauts are selected by NASA.
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Sep. 12 - |
Luna 2 is launched. It impacts the Moon on September 13, becoming the first man-made object to do so.
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Oct. 4 - |
Luna 3 orbits the Moon and photographs 70% of it's surface.
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