Why Has NASA Not Gone to Mars with Humans Already?

Why Has NASA Not Gone to Mars with Humans Already?

  1. The tech to keep people alive BOTH ways is still being developed. Some problems are similar to ones we’ve solved when sending folks to the Moon but MANY are different.
  2. It’s crazy expensive to solve these problems and it takes time. You can’t throw twice as much money at some of these problems and expect them to be solved in half the time.
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