Symmes’s Theory of Concentric Spheres
An episode of the Stuff You Missed in History Class podcast, hosted by iHeartPodcasts, titled "Symmes’s Theory of Concentric Spheres" was published on August 17, 2020 and runs 40 minutes.
August 17, 2020 ·40m · Stuff You Missed in History Class
Episode Description
In 1818, something about the rings of Saturn - we don't know what, exactly - led John Cleves Symmes to conclude that the Earth was hollow. And he spent the rest of his life promoting this strange idea.
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