Onionlike Layers of Exploding Stars with Prof. Geraint Lewis (447)

My go-to guy for all cosmic things Prof. Geraint Lewis, astrophysicist at the University of Sydney, returns to unpack a fascinating New York Times article on a newly observed "onionlike" space explosion that may reveal a new type of supernova. We dive into what actually happens when a star dies, the onion-layer buildup of elements through nuclear fusion, and how these cataclysmic blasts forge the building blocks of life on Earth. Plus, we explore what this might mean for the ultimate fate of our own Sun.

www.geraintflewis.com/

Linkedin: Geriant Lewis

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• Onionlike Layers of Exploding Stars with Prof. Geraint Lewis (447)

Onionlike Layers of Exploding Stars with Prof. Geraint Lewis (447)

Oct 11, 2025

My go-to guy for all cosmic things Prof. Geraint Lewis,
astrophysicist at the University of Sydney, returns to unpack a
fascinating New York Times article on a newly observed “onionlike”
space explosion that may reveal a new type of supernova. We dive
into what actually happens when a star dies, the onion-layer
buildup of elements through nuclear fusion, and how these
cataclysmic blasts forge the building blocks of life on Earth.
Plus, we explore what this might mean for the ultimate fate of our
own Sun.

www.geraintflewis.com/

Linkedin: Geriant Lewis

About the Podcast

Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood.
https://drkarl.com/

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