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NASA Ships and Space Stations

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Gemini Program


The purpose of Gemini was to test how humans would be affected by space flights lasting two weeks or longer--the time it would take a craft to reach the Moon and then return. Gemini crafts were twice as large as the Mercury capsule, with enough space for two astronauts. Gemini also allowed the astronauts to open the capsule from the inside and perform spacewalks.

Photo source: NASA

Next: Apollo Program

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