AaS! 133: How Do We Know the Earth Is Curved?

Why do people believe the Earth is flat? How do we know it's curved? Is a debate even worth it? I discuss these questions and more in today's Ask a Spaceman!

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Music by Jason Grady and Nick Bain. Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).