[Interview+] Supernova Remnants Should Fade Away. So, Why are Some Flashing? episode artwork

EPISODE · Jul 22, 2026 · 54 MIN

[Interview+] Supernova Remnants Should Fade Away. So, Why are Some Flashing?

from Universe Today Podcast

👉 More interview HERE: https://www.patreon.com/collection/44300BONUS PART STARTS AT 34:06Watch here (with no ads) or on YouTube: https://youtu.be/XWz1mElwO-ISupernova remnants should be stable. All the action is long gone. But newly found supernovae in M87 unexpectedly show signs of rapid change. Why does this happen? Nobody really nows yet. 🟣 Guest: Dr. Roy Kilgard https://rkilgard.faculty.wesleyan.edu/ 📜 NASA's Chandra Finds Unexpected Fireworks in Aftermath of Stellar Explosions https://chandra.si.edu/press/26_releases/press_061526.html00:00 Intro 01:56 Dynamic supernovae 08:28 What's going on there? 20:11 How can we resolve this mystery 22:08 X-ray binaries 24:24 Demarkation of compact objects 29:17 Neutron stars becoming black holes 34:06 Light pollution 43:53 Current obsessions 51:25 Final thoughts

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[Interview+] Supernova Remnants Should Fade Away. So, Why are Some Flashing?

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