Plutonium is Back on the Menu, Future NASA Missions!

While I highly advise against humans making a meal out of it (despite my headline) the radioactive element plutonium has long been a staple energy source for many of NASA’s space missions, from Apollo’s ALSEPs to the twin Voyagers to the Curiosity rover.* But the particular non-weapons-grade flavor that NASA needs — plutonium dioxide, aka Pu-238 — has not been […]

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