Happy Planet Week! Everybody knows Jupiter is the largest planet in our solar system, Venus is the hottest and Saturn is the best accessorized! It boasts seven gorgeous, gassy rings. But do they serve a purpose other than scoring style points? We asked geologist Yesenia Arroyo to help us find the answer.

Got a question that’s ringing in your head? Send it to us at BrainsOn.org/contact, and we’ll help b-RING you the answer.