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Two lunar landings in a week for NASA's private Moon fleetMore than fifty years passed between the last Apollo mission and the United States' return to the lunar surface, when the ...
More than fifty years passed between the last Apollo mission and the United States' return to the lunar surface when the ...
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How Long-Term Space Travel Wears Down an Astronaut's Mind and BodyLearn how astronauts can lose bone density and how muscles can weaken. As we continue to explore space, NASA is looking into ...
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