Voyager 1 and 2 both have a radioisotope thermoelectric generator on board, which puts out 4 watts less ... after which only engineering data will likely be sent back to Earth. NASA estimates that the ...
ESA’s Swarm satellite mission has discovered a mysterious magnetic wave that "oscillates every seven years and propagates ...
It has a linear generator at the base that has no moving parts like a traditional wind turbine and is also cheaper. How ...