Big universe, big questions
Big universe, big questions  
Podcast: Brains On! Science podcast for kids
Published On: Tue Jun 14 2016
Description: Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.