S41 · E16
Oct 21, 2004 · 1 hr
Oct 21, 2004 · 1 hr
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?
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