NASA has invested $725,000 in a new rocket system that could solve one of the major obstacles standing in our way of sending humans to Mars: travel time.
With current technology, a round-trip to the red planet would take almost two years. For astronauts, spending that much time in spaceflight comes with big health risks.
They’d be exposed to high levels of solar and cosmic radiation, the harmful effects of zero-gravity, and a long period of isolation.
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