“The isotope of interest for space is americium-241…Its half-life is a staggering 432 years, five times longer than plutonium-238.”
“The isotope of interest for space is americium-241…Its half-life is a staggering 432 years, five times longer than plutonium-238.”
To -make-, yep. As the article pointed out, there’s a lot of Amercium in waste dumps where old smoke detectors … and anyone can make it. Five times the half-life means it can power much longer missions.