Radioisotope generators—inside the 'nuclear batteries' that power faraway spacecraft
Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.
Times Union3d
Radioisotope generators − inside the ‘nuclear batteries’ that power faraway spacecraft
The radioactive decay of plutonium-238 releases enough energy that it can glow red from its own heat, and it is this powerful heat that is the energy source to power an RTG. Heat as power ...