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7

The RTG makes heat, which is used in two ways in missions to cold places: Through thermocouples to generate electricity, and through waste heat. Some of the waste heat is cycled through coolant loops or heat pipes to keep things warm; the excess is radiated. The electricity can also be used to run heaters. As the RTG ages and the plutonium within it ...


3

The problem here is that you are comparing a nuclear "battery" with a conventional battery. A conventional battery you draw power from it at whatever rate you want (up to some limit based on the battery) until it's gone, then it produces nothing. However, nuclear "batteries" are a very different beast. They're actually generators, not ...


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