https://www.space.com/13702-nuclear-generators-rtg-power-nasa-planetary-probes-infographic.html
Nuclear Generators Power NASA Deep Space Probes (Infographic) | Space
Nov 22, 2011 - For more than 50 years, NASA's robotic deep space probes have carried nuclear batteries called radioisotope thermoelectric generators (RTGs), powered by...
deep space probesnucleargeneratorspowernasa