{"podcast":{"title":"PBS Space Time","slug":"pbs-space-time-7778773","podcast_index_feed_id":7778773,"rss_url":"https://feeds.megaphone.fm/VG4094887262","website_url":null,"image_url":"https://megaphone.imgix.net/podcasts/f982ec76-1991-11f1-8531-1763dcadb313/image/9a88c1c5ae91e65f64e0c1324090ebb9.png?ixlib=rails-4.3.1&max-w=3000&max-h=3000&fit=crop&auto=format,compress","author":"PBS","episode_count":188,"summary":"Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd. For all business inquiries and sponsorship opportunities please reach out to: pbsspacetime@lighthouseagents.com Matt O'Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to do it. Matt completed his Ph.D. at NASA's Space Telescope Science Institute, followed by work at the University of Melbourne and Columbia University. He's now a professor at the City University of New York's Lehman College and an Associate at the American Museum of Natural History's Hayden Planetarium. Previous host Gabe Perez-Giz is an astrophysicist who studies black hole physics. He received his Ph.D. from Columbia University and also hosted PBS Infinite Series. patreon.com/pbsspacetime","last_synced_at":"2026-07-24T02:17:15.545680+00:00","page_url":"https://stenobird.com/podcast/pbs-space-time-7778773"},"episode":{"title":"How Does Gravity Affect Light?","slug":"how-does-gravity-affect-light","published_at":"2026-07-20T09:30:00+00:00","page_url":"https://stenobird.com/podcast/pbs-space-time-7778773/how-does-gravity-affect-light","show_page_url":"https://stenobird.com/podcast/pbs-space-time-7778773","url":"https://traffic.megaphone.fm/VG5375260812.mp3","audio_url":"https://traffic.megaphone.fm/VG5375260812.mp3","summary":"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…","meta_description":"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.…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1089,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/pbs-space-time-7778773/episodes/how-does-gravity-affect-light/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/pbs-space-time-7778773/how-does-gravity-affect-light.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}