Comment by ghaff

I'm not sure what I said was literally true. The Galilean moons and Saturn's Triton certainly. But a bunch of others in the 60s I could probably have named (I think Jupiter was up to about a dozen by then and Saturn maybe nine) given I was pretty into space/astronomy. Forget about Uranus and Neptune at that point and pretty sure Charon hadn't been discovered since Pluto was a hazy spot. Knew Mars obviously.