Watching Saturn
With improved telescopes, Cassini discovered Iapetus, Rhea, Tethys, and Dione and recognized structure within Saturn’s rings.
These observations helped replace an indistinct telescopic appearance with a complex planetary system.
With improved telescopes, Cassini discovered Iapetus, Rhea, Tethys, and Dione and recognized structure within Saturn’s rings.
These observations helped replace an indistinct telescopic appearance with a complex planetary system.