# How Does Gravity Affect Light? Page: https://stenobird.com/podcast/pbs-space-time-7778773/how-does-gravity-affect-light Text version: https://stenobird.com/podcast/pbs-space-time-7778773/how-does-gravity-affect-light.md Podcast: [PBS Space Time](https://stenobird.com/podcast/pbs-space-time-7778773) Published: 2026-07-20T09:30:00+00:00 Episode link: https://traffic.megaphone.fm/VG5375260812.mp3 Audio file: https://traffic.megaphone.fm/VG5375260812.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/pbs-space-time-7778773/episodes/how-does-gravity-affect-light Duration seconds: 1089 ## Resource PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ https://www.patreon.com/pbsspacetime We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all predict the same thing. And at first glance, these explanations seem to describe completely different causes. So what is the true connection between light and gravity, or is truth, in fact, entirely relative? Sabine Hossenfelder's episode "Do we travel through time at the speed of light?" https://youtu.be/iBTez-nTKes 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 Hosted by Matt O'Dowd Written by Matt O'Dowd Graphics by Leonardo Scholzer, Yago Ballarini, Pedro Osinski, Adriano Leal & Stephanie Faria GFX Visualizations: Katherine Kornei Directed by Andrew Kornhaber Assistant Producer: Setare Gholipour Executive Producers: Eric Brown & Andrew Kornhaber "FREE GMC Motorhome reimagined low poly" (https://skfb.ly/6XxAN) by Karol Miklas is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/). "Heavy Cannon Tower" (https://skfb.ly/6WQqP) by Kai Xiang is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/). "Sentinelle - Matrix" (http://sskfb.ly/6sMKI) by niko300 is licensed under Creative Commons Attribution (http://creativecommons.org/licensesby/4.0/) Spaceballs RV (http://sskfb.ly/6RBOs) by Warkarma is licensed under Creative Commons Attribution (http://creativecommons.org/licensesby/4.0/) End Credits Music by J.R.S. Schattenberg: https://www.youtube.co… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/pbs-space-time-7778773/episodes/how-does-gravity-affect-light/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/pbs-space-time-7778773/how-does-gravity-affect-light.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.