1108: What Lies Beneath The Outer Layers Of A Star?

You might think of a star as a mass of incandescent gas, a gigantic nuclear furnace where hydrogen is turned into helium at a temperature of millions of degrees. But researchers recently reported that they’d observed some of what lies beneath all that hydrogen and helium, at least inside one unusual supernova. The star, named supernova 2021yfj, had its outer layers stripped away, leaving behind a silicon- and sulfur-rich inner shell.Astrophysicist Steve Schulze joins Host Flora Lichtman to describe what the team spotted in the heart of a dying star.Guest: Dr. Steve Schulze is a research associate at Northwestern University’s Center for Interdisciplinary Exploration and Research in Astrophysics.Transcripts for each episode are available within 1-3 days at .Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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