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Thirty years ago this month, two events happened that had profound and lasting impacts on energy and environmental issues in the U.S. and around ...

Explore the history of nuclear power systems in U.S. space exploration -- from early satellites to the moon, Mars and beyond.
The spacecraft used a Radioisotope Thermoelectric Generator to provide electricity and heat to the science instruments and other components.
A uniquely capable source of power is the radioisotope thermoelectric generator – a nuclear battery that reliably converts heat into electricity.