Voyager 2 has been in space for 45 years. NASA just found a way to keep it alive for another 3, despite it being 12 billion miles from Earth.

Voyager 2 has been in space for 45 years. NASA just found a way to keep it alive for another 3, despite it being 12 billion miles from Earth.

This artist's drawing shows one of the Voyager probes.NASA <ul> <li>NASA has hacked a backup source of power to keep Voyager 2 working.</li> <li>The switch should keep the probe, which launched in 1… [+3523 chars]

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