{"podcast":{"title":"Bedtime Astronomy","slug":"bedtime-astronomy-6846704","podcast_index_feed_id":6846704,"rss_url":"https://www.spreaker.com/show/6097902/episodes/feed","website_url":"https://www.spreaker.com/podcast/bedtime-astronomy--6097902","image_url":"https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/2430c737ca34b0c45f223ff600df2e1f.jpg","author":"Synthetic Universe","episode_count":439,"summary":"Welcome Bedtime Astronomy Podcast. We invite you to unwind and explore the wonders of the universe before drifting off into a peaceful slumber. Join us as we take you on a soothing journey through the cosmos, sharing captivating stories about stars, planets, galaxies, and celestial phenomena. AI-narrated, human-researched. We use synthetic voices to deliver deeply researched scientific content without compromise. The tech just lets us focus on what matters: bringing you mind-expanding content. Let's go through the mysteries of the night sky, whether you're a seasoned stargazer or simply curious about the cosmos, our bedtime astronomy podcast promises to inspire wonder, spark imagination.","last_synced_at":"2026-06-16T20:18:39.650430+00:00","page_url":"https://stenobird.com/podcast/bedtime-astronomy-6846704"},"episode":{"title":"The Black Hole That Switched Back On","slug":"the-black-hole-that-switched-back-on","published_at":"2026-06-11T09:00:22+00:00","page_url":"https://stenobird.com/podcast/bedtime-astronomy-6846704/the-black-hole-that-switched-back-on","show_page_url":"https://stenobird.com/podcast/bedtime-astronomy-6846704","url":"https://www.spreaker.com/episode/the-black-hole-that-switched-back-on--72058618","audio_url":"https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/72058618/blackrestp.mp3","summary":"Astronomers using the eROSITA telescope have observed a rare “changing-look” active galaxy over a billion light-years away. The galaxy HE 1237−2252 dramatically faded in X-rays before unexpectedly returning to its original brightness, revealing a supermassive black hole rapidly changing its feeding activity in real time. Scientists believe the phenomenon was driven by powerful thermal waves moving through the black hole’s accretion disk rather than obscuring dust clouds. The discovery offers an extraordinary opportunity to study how black holes evolve, reignite, and influence the energetic life cycles of distant galaxies. Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs. This episode includes AI-generated content.","meta_description":"Astronomers using the eROSITA telescope have observed a rare “changing-look” active galaxy over a billion light-years away. The galaxy HE 1237−2252 dramat…","key_points":[],"chapters":[],"topics":[],"duration_seconds":2445,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/bedtime-astronomy-6846704/episodes/the-black-hole-that-switched-back-on/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/bedtime-astronomy-6846704/the-black-hole-that-switched-back-on.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}