• SNAP-27 Radioisotope Thermoelectric Generator
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    The SNAP-27 Radioisotope Thermoelectric Generator (RTG) converted the heat energy from radioactive decay to electrical energy. Five such RTGs provided electric power for the Apollo Lunar Surface Experiment Packages (ALSEP) left on the Moon by Apollos 12, 14, 15, 16 and 17.
  • SNAP-27 Radioisotope Thermoelectric Generator

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WEB13241-2013

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Smithsonian's National Air and Space Museum

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