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Could astronauts travel to Mars on nuclear-powered rockets? These scientists want to make it happen

Space missions in the future could travel to Mars, asteroids and the outer solar system by riding on nuclear-powered rockets, thanks to a new design that utilizes energy from the nuclear fission of liquid uranium to heat propellant. The exciting potential of the new technology, which is called a centrifugal nuclear thermal rocket (CNTR), can be neatly summed up by its specific impulse, which…
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