Spacetime With Stuart Gary
S27E37: Betelgeuse's Boiling Secret: The Star That Spins Too Fast
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 0:36:27
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Sinopsis
The Space, Astronomy & Science Podcast.SpaceTime Series 27 Episode 37*Betelgeuse's Surprising Spin: A Red Supergiant's SecretsAstronomers have been intrigued by the rapid rotation of the red supergiant star Betelgeuse, but new insights suggest its seemingly swift spin could be an illusion caused by its boiling surface. The star's dimming, once thought to herald an imminent supernova, turned out to be dust obscuring our view. Located in Orion, Betelgeuse's tumultuous surface, with convective bubbles the size of Earth's orbit, challenges our understanding of stellar dynamics.*The Moon's Cratered Past: A History Written in ImpactsNew research indicates the Moon endured more asteroid and comet bombardments than previously thought, potentially reshaping our knowledge of its geological history. This study reveals that early impacts may have left subtle marks, eluding detection due to a still-cooling lunar surface. As the Moon's magma ocean solidified, these ancient impacts could tell a tale of a dynamic early s