![The astronaut is standing on the Moon next to the landing module. He is extracting a round cylinder from a storage compartment on the side.](https://science.nasa.gov/wp-content/uploads/2024/01/as12-46-67901.png?w=4096&format=png)
Fueling a Radioisotope Thermoelectric Generator (RTG) on the Moon
Apollo 12 astronaut Alan Bean extracts the fuel element of a Radioisotope Thermoelectric Generator (RTG) from storage on the lunar module on the Moon. The RTG was used to power the Apollo Surface Experiment Package (ALSEP).
Credits: NASA
Image CreditNASA
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