What do astronauts do? What kind of research do they do in space? What is so significant about space research that is costing us billions of dollars to do and perform space activities? These are the questions that I really...

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GreedyHenry

What do astronauts do? What kind of research do they do in space? What is so significant about space research that is costing us billions of dollars to do and perform space activities?
These are the questions that I really want to know. Thanks

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