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  The Soviet Union launched the first artificial satellite into Earth's orbit.
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  Mission Explorer was launched in america and was America's first aritficial satellite.
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  The Gemini spacecraft was sent to the moon from the U.S.; it was planning on being used to investigate the affects of Space on the human body
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  The Mariner 2 was launched in Europe to Venus and was the first spacecraft to record Venus' temperature
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  This mission was launched from the U.S. to the moon. It was the first spacecraft to attempt up close images of the moon.
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  This mission was heading from the U.S. to the moon. It was the first United States spacecraft to land successfully on the moon!
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  The Lunar Orbiter was launched from the U.S. to the moon. It was going to be used to take pictures of the moon's surface
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  This spacecraft was coming from Earth and going to the moon. Neil Armstrong was the first human to walk on the moon!
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  The United States (yet again) sent this mission to Jupiter; it ended up being the first probe to survive the asteroid belt!
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  The Viking was launched in the U.S. and was going to travel to Mars It's purpose was to map the surface of Mars.
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  Galileo was launched from the U.S. and was traveling to Jupiter. It ended up being the first probe to measure Jupiter's atmosphere.
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  The U.S. sent this mission to Sun; it ended up being the first to survey the top and bottom poles of the Sun.
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  The pathfinder was headed to Mars from the U.S. and was made for studying future concepts of travel to Mars.
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  Genesis was launched from the U.S. to explore the sun and inner planets. it was helping publish research for solar wind and their meaning.
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  Phoenix Mars lander was launched from the U.S. and was flying to Mars. It was made to explore signs of martians, and is still on Mars.