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It was the first satellite that was put in to the Earth's orbit. It helped with research of the atmosphere.
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Explorer 1 was the first Amercian satellite put into earth's orbit.
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The National Aeronautics and Space Administration or NASA was formed by the United States during the space race for more research.
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The National Aeronautics and Space Administration or NASA was formed by the United States during the space race for more aeronautics and aerospace research.
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Yuri Gagarin was the first man in space.
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Soon after the russians sent a man in outer spaace, the United States sent Alan Shepard.
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Valentina Tereshkova was the first woman in space sent by the Soviets.
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Alexey Leonov was the first man out in actual space.
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Ed Whit e was the first American to complete a spacewalk.
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Luna 9 was the first space craft to have a soft luna landing.
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Luna 10 was the first spacecraft to orbit the moon.
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Soyuz 1 was a manned spacecraft holding Vladimir Komarov.
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Apollo 8 was the first manned spacecraft to orbit the moon.
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Was the first American to orbit Earth, the 3rd American in space.
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Apollo 11 was the first flight that took men to the moon and was a project of the United States.
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Apollo 17 was the last or most recent moon landing by the United States.
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mission was to enter orbit around the Moon and then land the Lunokhod 2 remote-controlled roving vehicle on its surface.
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descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
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The Space Shuttle Challenger explodes 73 seconds after launch, killing its crew of seven.