NASA confirmed that nuclear-micropowered probes (NMPs) using tritium betavoltaic power technology is possible. A new study will raise from a valid concept to a proof of concept experiment. Nuclear-micropowered probes could be used for autonomous exploration of the Moon’s permanently shadowed regions (PSRs) and other space missions. Tritium betavoltaics are a class of nuclear batteries ...

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Link :
https://www.nextbigfuture.com/2025/10/nuclear-tritium-betavoltaic-battery-for-space-missions.html