How the Voyager probes go and go decades after launch | CNN

Each Voyager probe has three radioisotope thermoelectric generators.

Sign up for CNN’s Wonder Theory science newsletter. Explore the world with fascinating discoveries, scientific breakthroughs and more news. Pasadena, California CNN – When the Voyager probes lifted off weeks apart in 1977, no one expected that the twin spacecraft would extend their missions from four years to 45 years. Now, the mission team is … Read more