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Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) Pull-Apart Animation

Animation of the components of a Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) power system.
March 17, 2025
Credit NASA/JPL-Caltech
Language
  • english

A Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) is a type of space nuclear power system that converts heat into electricity using no moving parts.

MMRTGs were designed with the flexibility to operate on planetary bodies with atmospheres, such as at Mars, as well as in the vacuum of space. An MMRTG generates about 110 watts of electrical power at launch.

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Multi-Mission Radioisotope Thermoelectric Generator Pull-apart Animation

Mar 18, 2025

MP4 (3.74 MB)