A nuclear weapon orbiting Earth would emit neutrons through its interactions with the planet’s space radiation environment, and these could be detected by satellites.

A nuclear weapon orbiting Earth would emit neutrons through its interactions with the planet’s space radiation environment, and these could be detected by satellites.

MIT Professor Areg Danagoulian is proposing a way to determine if a satellite orbiting Earth contains a nuclear weapon. He describes his idea for a satellite-based sensor system…