Advertise on podcast: 101 Sleepy Facts

🌌 The Boötes Void is 330 million light-years of almost nothing — a cosmic silence bigger than imagination. What blew your mind tonight? Tell me below — I read every comment. Fall asleep to Regions With Almost No Galaxies — a 2+ hour space documentary. Tonight drifts from The First Time We Noticed the Dark to How Big Is Big When Nothing Is There, narrated slowly to quiet your mind and help you sleep. ⏱️ CHAPTERS 0:00 — The First Time We Noticed the Dark 5:33 — Mapping the Sky by What Is Missing 11:49 — The Boötes Void and Its Silent Depths 17:53 — How Big Is Big When Nothing Is There 24:08 — Galaxies as Rare Islands in a Wider Sea 30:20 — The Cosmic Web and Its Empty Rooms 36:24 — What Light Crosses on Its Way to Us 42:01 — Measuring Distance in a Place of Nothing 47:55 — Could a Void Hold Galaxies We Cannot See 53:54 — The Slow Drift of Matter Away from Emptiness 59:54 — Gravity's Long Reach Across a Hollow Space 1:05:51 — A Universe of Bubbles and Their Thin Walls 1:11:37 — The CMB Cold Spot and a Deeper Question 1:17:48 — Are All Voids Truly Empty in the Same Way 1:23:37 — Dark Energy and the Growth of Nothing 1:29:29 — What It Would Mean to Live Inside a Void 1:35:10 — The Local Void and Our Quiet Corner 1:40:55 — Simulating the Universe to Find the Gaps 1:46:50 — When Structure Formation Runs Out of Fuel 1:53:10 — Could We Be Near the Edge of Something Vast 1:58:43 — The Difference Between Empty and Unexplored 2:04:10 — What Voids Tell Us About the Universe's Shape 2:10:06 — Open Questions Cosmologists Still Carry 2:15:58 — Resting in a Universe of Unfinished Maps ▶ Binge the full collection — every full-length episode in one playlist: https://www.youtube.com/playlist?list=PLJUAS160SGtQ 🌌 More space & the universe: https://www.youtube.com/playlist?list=PLjvoS33m7Y20swtfSYalfUjq1ipwWhul4 📚 Sources: compiled from public NASA and ESA materials and established astronomy and cosmology references. ──────────────────────────────────────── 101 Sleepy Space Facts is a nightly astronomy channel — slow, sourced tours of the cosmos, from nearby planets to the edge of the observable universe, narrated gently so you can quiet your thoughts and fall asleep under the stars. New space facts every night. Subscribe so you don't miss one. 🔔 Subscribe: https://www.youtube.com/@101sleepyspacefacts #SpaceFacts #SleepDocumentary #FallAsleep #Astronomy #Cosmos