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Sputnik 1 launched
was the first artificial Earth satellite -
Pioneer 4
Breaks earths atmosphere -
venera probe
series probes were developed by the Soviet Union between 1961 and 1984 to gather data from Venus -
Mercury Launched
first human spaceflight program of the United States -
Mariner 5 launched
It carried a complement of experiments to probe Venus' atmosphere with radio waves -
Apllo 11 moon landing
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skylab launched
was a space station launched and operated by NASA (the space agency of the United States) and was the U.S.'s first space station -
viking probe 1 launched
was the first of two spacecraft (along with Viking 2) sent to Mars as part of NASA's Viking program -
First Space Shuttle
was the first spaceworthy Space Shuttle in NASA's orbital fleet -
Magallen launched
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Gallileo Launched
was an unmanned NASA spacecraft which studied the planet Jupiter and its moons -
Hubble launched
is a space telescope that was carried into orbit by a Space Shuttle in 1990 and remains in operation. -
N.E.A.R Launched
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sojourner landed
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Cassani Landed
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Genusis Launched