Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section.
How Space Tourism Works
The space tourism industry offers people a way to take the ultimate vacation. Learn about space tourism and find out how you can become a space tourist. See more »
How does going to the bathroom in space work?
A bathroom in space requires unique engineering that is different from a bathroom on Earth. Learn about the features of a bathroom in space. See more »
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