Betelgeuse is a red supergiant star that is expected to explode as a supernova in the future. But one of the mysteries about Betelgeuse is its rotation. Is Betelgeuse really spinning as fast as some observations suggested, or is there another explanation for its apparent rotation? In this episode, we will explore a new study by Jing-Ze Ma and others that challenges the idea of rapid rotation of Betelgeuse. They propose that the apparent rotation is due to convection and pulsation on its surface.
Paper link:
https://arxiv.org/abs/2311.16885
Chapters:
00:00 Introduction
01:00 The Evidence for Rapid Rotation
03:30 The Alternative Hypothesis for the Apparent Rotation
06:32 The Implications for the Evolution and Fate of Betelgeuse
09:09 Outro
09:28 Enjoy
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