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Calling for a fission mission to Mars is

That’s *still* only flat panels, though. If you want to bother with concentrators, you can even boost your power-to-weight ratio with a concentrator near Mars *above* the ratio for a flat panel near Earth. And reflective surfaces are very hard to beat, mass-wise (interestingly, they should actually even cope better with decreasing angular size of the Sun, mandating only reflector size increase for a fixed cell size with increasing distance for fixed output power). I mean, even taking just existing phy

The 40 kilowatts would initially be used to make oxygen and possibly propellant needed by the Mars Ascent Vehicle to send astronauts back into Martian orbit. After making oxygen or fuel, the power would then be available to run the Martian habitat or provided power to Martian rovers all needed by the astronauts during their stay on Mars.  Nuclear power has the advantage of being able to run full time day or night, as well as being able to operate closer to the Martian poles where it is believed water e

During his last run for the presidency, in 2012, Russian leader Vladimir Putin startled U.S. military experts with a mysterious pledge to develop novel kinds of weapons to counter the West’s technological edge. Armies of the future, he said, would need weapons “based on new physical principles” including “genetic” and “psychophysical” science.I&aposll let this Tweet do the excerpt, it&aposs doozy:

A is a proposed technology. In a nuclear thermal rocket a working fluid, usually liquid , is heated to a high temperature in a , and then expands through a to create . In this kind of , the nuclear reactor&aposs energy replaces the chemical energy of the &aposs reactive chemicals in a . The thermal heater / inert propellant paradigm as opposed to the reactive propellants of chemical rockets turns out to produce a superior , and therefore a superior propulsive efficiency, with specific impulses on the order of tw

The pulsed nuclear thermal rocket, (not to be confused with which is a hypothetical method of that uses for ), is a type of solid nuclear thermal rocket for and () amplification. In this concept, the conventional solid NTR can operates as stationary as well as a pulsed mode -much like a reactor. Because the of the propellant in the chamber is short, then important amplification in energy is attainable by pulsing the nuclear core which can be directly harnessed by increasing the thrust via increasing

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nuclear propellant power thermal energy