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10 Cards in this Set
- Front
- Back
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America's first man in space
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Alan Shepard
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first human being ever to set foot on another world
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Neil Armstrong
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first man ever to travel in space
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Yuri Gagarin
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first American to orbit the earth
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John Glenn
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What type of spacecraft was the first spacecraft designed to be reused?
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space shuttle
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What type of orbit allows a satellite to "hover" above the same point on the earth's surface?
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geostationary (geosynchronous) orbit
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A satellite that travels perpendicular to the equator, passing over the polar regions, follows what type of orbit?
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polar orbit
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Which nation was the first to put an artificial object into orbit around the earth?
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Soviet Union (U.S.S.R.)
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Name the German-born scientist who designed the rocket that carried American astronauts to the moon.
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Wernher von Braun
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What do we call a spacecraft launched specifically to explore the unknown?
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space probe
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