"The two spacecraft are still going strong after more than 42 years in space, but they can't keep up their pioneering work forever. The radioisotope thermoelectric generators that power the Voyagers are running low on juice and will likely be tapped out by the mid-2020s, NASA officials have said. Voyager 1 and Voyager 2 are currently about 13.8 billion miles (22.2 billion kilometers) and 11.5 billion miles (13.5 billion km) from Earth, respectively. It takes more than 17 hours for light to travel from Earth to Voyager 2, meaning that mission team members have to wait a day and a half to see if their commands work."
FYI, 22.2E+9 kilometers is 148.4 AU distance from earth. 11.5 billion miles is closer to 18.5E+9 kilometers or 123.66 AU distance from earth."The two spacecraft are still going strong after more than 42 years in space, but they can't keep up their pioneering work forever. The radioisotope thermoelectric generators that power the Voyagers are running low on juice and will likely be tapped out by the mid-2020s, NASA officials have said. Voyager 1 and Voyager 2 are currently about 13.8 billion miles (22.2 billion kilometers) and 11.5 billion miles (13.5 billion km) from Earth, respectively. It takes more than 17 hours for light to travel from Earth to Voyager 2, meaning that mission team members have to wait a day and a half to see if their commands work."
Nice going Voyager 2, no solar powered space probe here
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