Cassini's top 10 discoveries about Saturn

To celebrate the 10th anniversary of Cassini's Saturn orbit insertion, <a href='http://saturn.jpl.nasa.gov/news/cassinifeatures/10thannivdiscoveries/' target='_blank'>NASA has listed</a> the top 10 things we wouldn't know if the spaceship hadn't traveled to the ringed planet. <strong>Also</strong>: <a href='http://www.cnn.com/2014/04/04/tech/gallery/saturn-and-its-moons/index.html' target='_blank'>Cassini images of Saturn and its moons.</a>

To celebrate the 10th anniversary of Cassini's Saturn orbit insertion, NASA has listed the top 10 things we wouldn't know if the spaceship hadn't traveled to the ringed planet. Also: Cassini images of Saturn and its moons.