
Voyager 1 Survives on a Thread: NASA balances power to keep its signal alive
NASA is keeping Voyager 1 alive by cautiously turning off nonessential instruments and heaters to conserve the aging RTG’s power, while keeping it warm enough to prevent fuel lines from freezing and to maintain precise antenna pointing. The 25-billion-kilometre distance makes any misfire fatal, and a 2025 fuel-line clog nearly cut off thruster control—forcing a successful test of the long-dormant primary roll thrusters to extend the mission into the 2030s as communications depend on a 23-hour round trip.








