Galileo jokes

What is the richest planet?

Saturn 🪐- It has many rings.

If Uranus is so gross, why do they take HD photos of it?

I can see Uranus from here, and it's mighty gassy!

What do planets like to read? Comet books!

Sir William Herschel discovered Uranus in 1781, 200 years before you were born. How did he do that?