
Sleepy Facts About the Universe is a calm astronomy and space science podcast for sleep, relaxation, and quiet curiosity.
Each episode explores the universe in a gentle documentary style: stars, planets, galaxies, black holes, nebulae, the Moon, the Sun, cosmic history, space missions, and simple explanations of astrophysics without loud drama or stressful narration.
If you enjoy relaxing science ... more
| Publishes | Daily | Episodes | 75 | Founded | a month ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | AstronomyPhysicsScience | |||

For two thousand years, the pale band of light arching across the night sky was explained as a celestial river or an atmospheric glow. It was only when Galileo turned his telescope toward the heavens that this continuous stream dissolved into a multi... more
When the New Horizons spacecraft flew past Pluto in 2015, it revealed a striking feature dominating the visible hemisphere: a near-perfect, heart-shaped glacier known as Sputnik Planitia. This immense plain of nitrogen ice is not a frozen relic from ... more
For three generations, astronomers were certain that Mercury kept one face permanently turned toward the sun, leaving the other side in eternal, frozen darkness. It was a tidy and elegant conclusion drawn from trembling glimpses of the planet at dawn... more
We generally assume that the closest things to a fire are the hottest, and those farthest away are the coldest. When we map this intuition onto the solar system, we expect Mercury to be uniformly baked and Jupiter to be a frozen ball of gas. Yet the ... more
Most of us learn that probability is simply the chance of rain or the odds of a flipped coin landing heads. We treat it as a number between zero and one that captures our uncertainty about the world. This episode explores how physics systematically r... more
The popular image of a black hole is a cosmic vacuum cleaner, an unstoppable drain pulling everything inside with insatiable hunger. But the physics of how these extreme objects actually consume matter is far more restrained. Gas does not simply plun... more
On a clear winter evening, the constellation Taurus the Bull feels like a single, cohesive presence in the sky. The bright orange star Aldebaran appears to anchor the V-shaped face of the bull, while the Pleiades cluster glimmers nearby like a should... more
When we look at Saturn, we see a pale gold sphere framed by a luminous disk that appears completely solid and permanent. This episode explores the reality behind that illusion, revealing that this 175,000-mile-wide structure is only about thirty feet... more
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
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Apple Podcasts | #27 | |
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Apple Podcasts | #34 | |
Apple Podcasts | #42 | |
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Apple Podcasts | #50 | |
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Apple Podcasts | #60 | |
Apple Podcasts | #105 |









Listeners, social reach, demographics and more for this podcast.
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This show delivers calm, accessible explorations of space, astronomy, and fundamental physics with a soothing, sleep-friendly narration. Episodes cover a wide range of topics—from how scientists measure cosmic distances and the nature of black holes to the history of Mars's watery past and the evolution of our understanding of time and the cosmos. The tone emphasizes clear explanations, gentle pacing, and a documentary-style presentation, likely appealing to curious listeners who enjoy thoughtful science without high-energy drama. A notable strength is its ability to translate complex ideas into approachable narratives, making space science feel approachable for a broad audience, including students, educators, and lifelong learners seeking ... more
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Sleepy Facts About the Universe launched a month ago and published 75 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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