Horizon
Saturn - Lord of the Rings
TV-PG
S41 • E16 Oct 20, 2004 60m7.3
In 1610, Galileo used a new invention -- a simple telescope -- to look at Saturn. When he viewed the planet for the first time, he saw something strange. He thought he saw three stars together, a big one in the middle of two little stars. He knew they weren't really stars, but what were they?
