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Radioisotope Power Systems Technology

Labeled pull-apart view showing the major components of the MMRTG, or Multi-Mission Radioisotope Thermoelectric Generator.
This pull apart graphic shows the stacked power sources extended from a cylinder with cooling fins.
Radioisotope Power Systems (RPS) have provided the power to explore, discover, and understand our solar system and beyond. This graphic...
A radial hub with the Sun at the center shows the science destinations of Radioisotope Power System missions. There have been five flyby missions, four orbiters, three rovers and three landers.
A graphic showing missions powered by radioisotope power systems.
The logos of NASA and the U.S. Department of Energy at at the center of a hub listing each mission powered by a Radioisotope Power System or heated by a Radioisotope Heating Unit and the destination they explores. Destinations span Venus to the Kuiper Belt and beyond.
This map of Mars shows the landing sites of all NASA RTG-powered Mars rovers and landers as of 2021. Viking...
An aerial map of Mars marked with the landing sites of Viking 1, Viking 2, Curiosity, and Perseverance.
Eclipse was the theme of the 2024 Power to Explore student writing challenge.
The power to explore logo combines an artistic suggestion of an eclipse with the universal symbol for nuclear energy.
Seven non-NASA American spacecraft - two communication satellites and five navigational orbiters - have been launched since 1961.
This infographic featuring a full disc view of Earth an a big American flag lists seven Earth orbiting spacecraft. Two were launched by the U.S. Air Force. Five were launched by the U.S. Navy.