Happy Planet Week! There are so many incredible planets out there, from giant Jupiter with its swirling storms to Saturn and its mesmerizing rings. Plus, there are countless other planets that humans have yet to discover! But how exactly do these cosmic wonders come to be? We asked geologist Yesenia Arroyo to help us find the answer.

Got a question forming in your mind? Launch it over to us at BrainsOn.org/contact and it’ll be the center of our universe!