# Do Neutron Stars Gleam Within Dark Matter?

Page: https://stenobird.com/podcast/pbs-space-time-7778773/do-neutron-stars-gleam-within-dark-matter
Text version: https://stenobird.com/podcast/pbs-space-time-7778773/do-neutron-stars-gleam-within-dark-matter.md
Podcast: [PBS Space Time](https://stenobird.com/podcast/pbs-space-time-7778773)
Published: 2026-07-14T11:30:00+00:00
Episode link: https://traffic.megaphone.fm/VG5072614331.mp3?updated=1778670625
Audio file: https://traffic.megaphone.fm/VG5072614331.mp3?updated=1778670625
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JSON: https://stenobird.com/v1/public/podcasts/pbs-space-time-7778773/episodes/do-neutron-stars-gleam-within-dark-matter
Duration seconds: 1320

## Resource

👉 Head to https://brilliant.org/spacetime/ for a 30-day free trial + 20% off your annual subscription Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Neutron stars aren't dark matter--we figured that out a while ago. But new research is telling us that they may be dark matter factories. They may produce the exotic axion, one of the most popular dark matter candidates. Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime Search the Entire Space Time Library Here: https://search.pbsspacetime.com/ Hosted by Matt O'Dowd Written by Matt Caplan, Anirudh Prabhu, & Matt O'Dowd Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria Directed by Andrew Kornhaber Associate Producer: Bahar Gholipour Executive Producer: Andrew Kornhaber Executive in Charge for PBS: Maribel Lopez Director of Programming for PBS: Gabrielle Ewing Assistant Director of Programming for PBS: John Campbell Spacetime is a production of Kornhaber Brown for PBS Digital Studios. This program is produced by Kornhaber Brown, which is solely responsible for its content. © 2024 PBS. All rights reserved. Journal Papers Referenced In Episode: Axion clouds around neutron stars: https://journals.aps.org/prx/abstract/10.1103/PhysRevX.14.041015 Polar cap pair cascades as the source of pulsar radio emission: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.245101 Axions can be produced above pulsar polar caps: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.104.055038 Detailed simulations of polar cap cascades: https://iopscience.iop.org/article/10.3847/2041-8213/ac2157 Constraints on axion…

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