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Why You Can Never Leave the Milky Way

Some boundaries don't have walls. The Milky Way holds everything inside it, every star, every planet, every atom of every living thing, not through force, but through the quiet, ancient geometry of gravity. This is a long-form bedtime exploration of why you can never truly leave, from escape velocity and dark matter to the merger with Andromeda and the death of the last star. Chapters 0:00 The Edge You Keep Approaching 10:27 What Gravity Remembers 24:41 Escape Velocity, Considered Slowly 35:58 Dark Matter Holds the Shape of Everything 51:48 Inside a Spiral, Looking 1:03:05 The Local Group Is Not Comforting 1:18:46 500 Miles Per Second Is a Kind of Stillness 1:33:17 Why the Universe Doesn't Care About the Word Leave 1:48:07 The Stars You're Made From Didn't Start Here 2:04:39 Andromeda Is Arriving 2:20:37 What Containment Actually Is 2:36:45 Somewhere, the Last Star 2:53:33 No Departure