In 1610, astronomer Galileo Galilei became the first person ever to observe Saturn rings

Over 400 years ago, #today in 1610, astronomer Galileo Galilei became the first person ever to observe Saturn's rings. @NASAVoyager captured this image of Saturn and its rings. [Corrected tweet.] pic.twitter.com/lAkcfk11NE

— NASA History Office (@NASAhistory) July 30, 2018