The Cosmic Controversy Podcast

Episode 11 — Betelgeuse Dimming Mystery Might Be Solved, Says Edward Guinan

August 14, 2020

In a stroke of serendipity during a wide-ranging podcast interview, Villanova University astronomer Edward Guinan explains the paper behind today's news flap about the red supergiant star's inexplicable dimming. The most recent explanation is that dust generated from cooling plasma spewed forth from the massive star's interior caused Betelgeuse to appear more dim than usual.  While Guinan acknowledges this scenario is a possibility, he remains skeptical.  Please listen to this candid and entertaining episode!

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