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Soviet Union launches Sputnik, the worlds first artificial earth satellite.
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NASA is established to conduct space acivities.
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The "Mercury Seven" are introduced.
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Luna 3 sends back the first images of the far side of the Moon.
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The Echo1 satellite reflects radio waves back to earth.
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Ham becomes the first chimp in space.
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Yuri Gagarin became the first human being to travel into space in Vostok 1.
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Freedom 7's Alan Shepard became the first American in space.
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Kennedy sets space challenge to land a man on the moon.
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John glenn vecame the first American astronaut to orbit the earth in Friendship 7.
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Aleksei A. Leonov becomes the first man to perform a spacewalk.
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Gemini 12 was the last Gemini flight before the Apollo program.
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The Apollo 9 mission tested the lunar module and docking.
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Apollo 11 Astronauts Neil Armstrong and Buzz Aldrin land and walk on the Moon.
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Apollo 15 uses the first Lunar Rover, one of the most complex vehicles built.
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NASA's final mission to the Moon on Apollo 17
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Skylab, a US Space Station, served as a laboratory in earth orbit.
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Viking 1's first photos from Mars reveal traces of nitrogen.
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Voyager sends photos of Saturn. They confounded all known laws of physics.
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The first Space Shuttle launch.
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The first unteathered Spacewalk on the Space Shuttle Challenger.
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Challenger explodes shortly after launching, killing seven astronauts.
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Voyager 2 flies within 3100 miles of Neptune and discovers six new moons.
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Hubble Space Telescope is deployed.
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Pathfinder lands on Mars. The rover explored the Martian terrain.
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The International Space Station recieves its first permanent habitation.
