I actually had the same thought, so I was looking up Voyager to make sure I was right. In case anyone else is interested in more detail about their power source

I actually had the same thought, so I was looking up Voyager to make sure I was right. In case anyone else is interested in more detail about their power source, here’s NASA: https://voyager.jpl.nasa.gov/mission/spacecraft/instruments/rtg/ https://voyager.jpl.nasa.gov/mission/spacecraft/instruments/...