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Radioisotope Power Systems STEM

UPDATE: This year’s Power to Explore Student Challenge closed on February 9, 2025 at 11:59 p.m. ET.

Radioisotope Power Systems: For Kids

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    Video Library

    Kid-friendly videos that explain how radioisotope power systems, or RPS, work.

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  • 02

    NASA Kids Science

    NASA’s award-winning kids’ science website engages upper-elementary-aged children in space and Earth science through interactive games, and hands-on activities.

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  • 03

    Power to Explore Annual K-12 Writing Challenge

    The contest invites K-12th grade students in the United States to write an essay about a new radioisotope-powered mission for the agency.

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Radioisotope Power Systems

Space nuclear power to explore the deepest, dustiest, darkest, and most distant regions of our solar system and beyond.

Radioisotope Power Systems FAQ

About Radioisotope Power Systems

Power: Radioisotope Thermoelectric Generators

The current Radioisotope Thermoelectric Generator model is the Multi-Mission Radioisotope Thermoelectric Generator, or MMRTG.