As the heated propellant expands, it’s ultimately exhausted out of a nozzle in much the same way as in a traditional rocket. It’s also similar to the concept of nuclearthermal propulsion ...
But for now, he says, there are other better options, such as nuclearthermal electric propulsion. Another idea is to use chemical rockets to lift off from Earth and to land on Mars. But for the ...
There are several mega-rockets already being developed that ... to develop and demonstrate advanced nuclearthermal propulsion technology as soon as 2027," said Nasa boss Bill Nelson.
NASA said nuclearthermalrockets can be three or more times more efficient than conventional chemical propulsion and would reduce transit time, essential for an eventual mission to Mars.
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