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The Pros And Cons Of US Manned Space Exploration

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Each of the U.S. manned space exploration projects had specific major goals. The Mercury project was designed to test whether or not human beings could survive and function in outer space. The Mercury project tested rockets with the new Mercury space capsule, which could hold one person. The Gemini project was intended to find out whether two people could work in the weightless environment of space. Gemini astronauts took "spacewalks." They floated outside their spacecraft in a spacesuit, connected to it by a tether. Gemini astronauts tried out new flying skills. Some astronauts flew two spacecraft extremely close together; this procedure was called "rendezvous." On some Gemini flights, astronauts physically linked two spacecraft together.
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