 |  Nuclear propulsion could be ’game changer’ for space exploration, NASA chief says
 23 August 2019
During the sixth meeting of the National Space Council (NSC), the NASA chief lauded the
potential of nuclear thermal propulsion, which would harness the heat thrown off by
fission reactions to accelerate propellants such as hydrogen to tremendous speeds.
Spacecraft powered by such engines could conceivably reach Mars in just three to four
months — about half the time of the fastest possible trip in a vehicle with traditional
chemical propulsion.
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