00:00Thermal propulsion, nuclear thermal propulsion or NTP for short, heats hydrogen or other
00:06substances to up to 2500 degrees Celsius using a nuclear reactor, which provides twice the
00:13specific impulse of chemical rockets.
00:16They basically work similarly to resisto jets, which simply use electricity to heat a gas
00:22that expands and thus produces thrust.
00:25The latest tests by NASA and General Atomics at the Marshall Space Flight Center in Huntsville,
00:32Alabama show that trips to Mars could be shortened to 45 days.
00:38That's a huge leap from the usual six to nine months.
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