cross-posted from: https://piefed.world/c/tech/p/1251255/mit-researcher-proposes-a-way-to-detect-nuclear-weapons-in-space
A nuclear detonation in low-Earth orbit — the region about 100 miles to 1,200 miles above Earth’s surface — would release trillions of highly energetic electrons that would destroy many of the satellites in space, disrupting telecommunications networks, GPS, space-based internet, and more
I’m pretty sure it uses a combination of solar and betavoltaic’s tritium battery