Voyager 1 is Running Out of Power. NASA Just Switched Part of It Off
After 49 years of space travel, Voyager 1 “is running out of power,” reports NPR:

The spacecraft runs on a radioisotope thermoelectric generator — a device that converts heat from decaying plutonium into electricity. It carries no solar panels, no rechargeable batteries. Just the slow, steady release of nuclear warmth, which diminishe … ⌘ Read more