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Galileo looks at the moon the one of the first telescopes and will eventually break century old beliefs.
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Robert Goddard, referred to as the "Father of Modern Rocketry," launches the first successful liquid-fueled rocket.
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Pluto was discover by Clyde Tombaugh at Lowell Observatory in Flagstaff, Ariz.
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First animals launched into space by the U.S.
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American test pilot Chuck Yeager breaks the sound barrier for the first time in the X-1, known as Glamorous Glennis.
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Sputnik 1 launches from Tyuratam, Kazakhstan. The Space Race between the Soviet Union and the United States begins.
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The Soviet Union launches Sputnik 2 with the first living passenger/animal, the dog Laika, aboard.
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Yuri Gagarin becomes the first man in space with a 108-minute flight on Vostok 1.
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President John Kennedy announces that an American will land on the moon and be returned safely to Earth before the end of the decade.
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Six years after U.S. President Kennedy's assassination, the Apollo 11 crew lands on the Moon, fulfilling his promise to put an American there by the end of the decade and return him safely to Earth.
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India launches its first satellite. By using its domestically developed SLV-3 rocket, India becomes the seventh nation capable of sending objects into space by itself.
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Hubble Space Telescope is released Into Earth's orbit.
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DirecTV launches its first satellite to broadcast from.
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The Mars Pathfinder lander and its accompanying Sojourner rover touch down on Mars.
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The Space Age turns 50, five decades after the launch of Sputnik 1.