Look at this picture of Saturn. Can you see the biggest ring? Are you sure?
People like to make lists of things, especially lists of superlatives: the best, fastest, oldest, largest, heaviest and so on. There are lists of the ten fastest animals and the ten longest rivers and even of the ten highest-paid rock stars. The Guinness company created a small industry from publishing lists exactly…
Ever wonder how the heck Saturn got to have such enormous, perfectly flat rings? In this cool video from Universe Today's Fraser Cain, you'll discover that astronomers are wondering the same thing. In fact, it's a huge debate.
Saturn's rings are among the most iconic sights in the solar system, but where did they come from? Long ago, an icy moon was ripped apart by Saturn's gravity, creating rings once a 100 times bigger than they are now.