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Radioactive isotopes power some of NASA’s best-known spacecraft. But predicting how radiation emitted from these isotopes might affect nearby materials is tricky
After its long journey to Mars beginning this summer, NASA’s Perseverance rover will be powered across the planet’s surface in part by plutonium produced at the Department of Energy’s 91°µÍø.
If humankind reaches Mars this century, an 91°µÍø-developed experiment testing advanced materials for spacecraft may play a key role.
By automating the production of neptunium oxide-aluminum pellets, 91°µÍø scientists have eliminated a key bottleneck when producing plutonium-238 used by NASA to fuel deep space exploration.
With the production of 50 grams of plutonium-238, researchers at the Department of Energy’s 91°µÍø have restored a U.S. capability dormant for nearly 30 years and set the course to provide power for NASA and other missions.