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The first spotting of the moon through a telescope by Galileo Galilei
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Robert H. Goddard launches first liquid fueled rockets
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First research flight launched by the U.S. captured by the V-2 space rocket
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First animals launched into space (fruit flies) by the U.S.
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First artificial satellite put into space that brings back signals to earth launched by the USSR
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Launch of Explorer 1
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Luna 1 was the first spacecraft to reach the Moon.
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U.S. Ranger 7 relays the first close-range photographs of the Moon.
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The first space walk is made from Soviet Voskhod 2 by Cosmonaut Alexei A. Leonov. Duration is 12 minutes.
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Soviet Soyuz 1 is launched, carrying Vladimir M. Komarov. On April 24 it crashed, killing Komarov, the first spaceflight fatality.
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Neil Armstrong and Edwin Aldrin, Jr. make the first manned soft landing on the Moon, and the first moonwalk, using Apollo 11.
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Apollo 13 is launched, suffering an explosion in its SM oxygen tanks. Its Moon landing is aborted, and the crew, James A. Lovell, Jr., John L. Swigert, Jr. and Fred W. Haise, Jr., return safely.
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Columbia became the first Space Shuttle to be launched.
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Sally Ride became the first American woman in space on Challenger’s second mission.
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Guion Bluford became the first African-American in space.
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Astronaut Bruce McCandless became the first man to take an untethered space walk.