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Oct 2, 2026 1 hr 5 min

The Moon, Slowly Explained for Sleep

from Sandman Science Hosted by Sandman Science

Tonight, sit with the Moon for an hour - the collision that made it, the seas that are not seas, why moonlight looks silver when it isn't, the copper light of an eclipse, and the three point eight centimetres it drifts away from us every year - narrated softly over calm music to help you fall asleep. Dim the lights, lower the volume, and let yourself drift. Chapters 0:00 Where We Begin 1:48 The Same Moon 3:15 How It Began 5:43 The Rocks We Brought Back 7:49 The Ocean of Rock 9:35 The Seas That Are Not Seas 11:33 The Bright Streaks 13:49 The Mountains 15:58 The Face That Never Turns Away 18:02 The Far Side 20:02 The Swirls 22:10 The Light It Does Not Make 23:43 Why Moonlight Looks Silver 24:46 The Shape of the Light 26:50 The Copper Light 27:49 The Illusion 29:56 The Sea, Lifted 31:47 The Days Are Getting Longer 33:08 What It Holds Steady 35:00 Drifting Away 36:07 The Dust 38:14 The Cold and the Quiet 40:25 The Line Between Day and Night 42:15 The Ice in the Permanent Dark 43:45 The Long Future 45:59 Rest 48:11 Ambient Tail (Music Only) About Sandman Science Slow, gentle journeys through the universe and the natural world, narrated calmly over soft original music, made for falling asleep and quiet minds. New journeys added regularly. Watch the video version on YouTube: https://youtu.be/oylSEOgbfGA Best experienced at a low volume, as you fall asleep. Sources for the science in this episode: the astronomy here follows standard, widely agreed science - the giant-impact origin, the lunar magma ocean and highland crust, the maria, tidal locking and libration, albedo and phases, earthshine, tides and tidal braking, lunar recession measured by laser ranging, regolith, polar ice and the end of total eclipses - drawn from NASA and standard astronomy references. Figures are hedged throughout. These videos are for relaxation and sleep. They are not medical advice or a treatment for insomnia or any health condition. Music and scripts are original to Sandman Science. Narration is an AI voice.

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Tonight, sit with the Moon for an hour - the collision that made it, the seas that are not seas, why moonlight looks silver when it isn't, the copper light of an eclipse, and the three point eight centimetres it drifts away from us every year - narrated softly over calm music to help you fall asleep.

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The Moon, Slowly Explained for Sleep

0:00 1:05:13

Chapters

  1. 0:00 Where We Begin
  2. 1:48 The Same Moon
  3. 3:15 How It Began
  4. 5:43 The Rocks We Brought Back
  5. 7:49 The Ocean of Rock
  6. 9:35 The Seas That Are Not Seas
  7. 11:33 The Bright Streaks
  8. 13:49 The Mountains
  9. 15:58 The Face That Never Turns Away
  10. 18:02 The Far Side
  11. 20:02 The Swirls
  12. 22:10 The Light It Does Not Make
  13. 23:43 Why Moonlight Looks Silver
  14. 24:46 The Shape of the Light
  15. 26:50 The Copper Light
  16. 27:49 The Illusion
  17. 29:56 The Sea, Lifted
  18. 31:47 The Days Are Getting Longer
  19. 33:08 What It Holds Steady
  20. 35:00 Drifting Away
  21. 36:07 The Dust
  22. 38:14 The Cold and the Quiet
  23. 40:25 The Line Between Day and Night
  24. 42:15 The Ice in the Permanent Dark
  25. 43:45 The Long Future
  26. 45:59 Rest
  27. 48:11 Ambient Tail (Music Only)

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This episode is 1 hour and 5 minutes long.

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This episode was published on October 2, 2026.

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