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Well, we did travel to the Moon with 1960s (and some even 1950s) technology. We also had reasonably detailed plans to use the same underlying technology to make a year-long Venus fly-by mission in ...
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Well, we did travel to the Moon with 1960s (and some even 1950s) technology. We also had reasonably detailed plans to use the same underlying technology to make a year-long Venus fly-by mission in ...