Radioisotope generators − inside the ‘nuclear batteries’ that power faraway spacecraft
Radioisotope thermoelectric generators do not rely on chemical reactions like the batteries in your phone. Instead, they rely on the radioactive decay of elements to produce heat and eventually ...
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Unknown spiral structure discovered at the edge of our solar system
Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...