Big universe, big questions - a podcast by American Public Media

from 2021-01-31T22:10:42.023393

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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.