Why Voyager 2 Still Hasn_t Frozen in Interstellar Space
Voyager 2 hasn't frozen because it's been fighting the cold with nuclear heat since 1977. Three plutonium RTGs keep it warm, but each year loses about 4 watts of power . In 2026, NASA's "Big Bang" maneuver cleverly swapped heaters and components to save energy while maintaining thermal balance . It's currently traveling through interstellar plasma at 30,000–50,000°C and is still running on just a few precious watts of power
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