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Carried a small dog named Laika
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Carried scientific equipment that lead to the discovery of the Van Allen radiation belt.
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Failed to reach orbit.
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National Aeronautics and Space Administration replaced the National Advisory Committee on Aeronautics.
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launched to a height of 70,000 miles
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First man-made object to orbit the Sun.
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Passed within 37,000 miles of the Moon before falling into a solar orbit.
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First man-made object to impact the Moon.
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Photographs 70% of the Moon's surface.
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First successful weather satellite
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USA's first camera-equipped spy plane
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First man in space
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His Liberty Bell capsule was lost when it filled with water and sank after splashdown.
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Last American to fly alone in space.
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Performed first spacewalk
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First man-made object to impact Venus on March 1, 1966
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Takes the first picture of Earth from that distance.
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Takes first picture of Earth from that distance.
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Last flight of the Gemini Program.
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Gus Grissom, Ed White, and Roger Chaffee were killed while performing a test on the launch pad.
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Parachute of his Soyuz capsule failed to open properly following re-entry.
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Crewmate Michael Collins orbits around the Moon alone.
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Touching down just 600 feet from the Surveyor 3 probe that arrived two years earlier.