
Insights from recent episode analysis
Audience Interest
Podcast Focus
Publishing Consistency
Platform Reach
Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
Total monthly reach
Estimated from 7 chart positions in 7 markets.
By chart position
- 🇬🇧GB · Astronomy#1285K to 30K
- 🇨🇦CA · Astronomy#1355K to 30K
- 🇦🇺AU · Astronomy#1685K to 30K
- 🇮🇱IL · Astronomy#1730K to 100K
- 🇭🇰HK · Astronomy#1930K to 100K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
41K to 155K🎙 Weekly cadence·7 episodes·Last published 7mo ago - Monthly Reach
Unique listeners across all episodes (30 days)
81K to 310K🇮🇱32%🇭🇰32%🇬🇧10%+4 more - Active Followers
Loyal subscribers who consistently listen
24K to 93K
Market Insights
Platform Distribution
Reach across major podcast platforms, updated hourly
Total Followers
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Total Plays
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Total Reviews
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
Recent episodes
Host Felix Mercer takes you deep into the cosmic unknown, unraveling the mysteries of supermassive black holes.
Oct 29, 2025
0m 34s
Black Hole - Time Dilation - When Clocks Disagree
Oct 29, 2025
20m 04s
Black Hole - The Cosmic Web - Architecture of the Universe
Oct 29, 2025
19m 19s
Black Hole - Neutron Stars - The Universe's Most Extreme Matter
Oct 29, 2025
21m 45s
Supermassive Giants - Exploring the Cosmic Titan
Mar 19, 2025
25m 55s
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| Date | Episode | Description | Length | |
|---|---|---|---|---|
| 10/29/25 | ![]() Host Felix Mercer takes you deep into the cosmic unknown, unraveling the mysteries of supermassive black holes. | This content was created in partnership and with the help of Artificial Intelligence AI. | 0m 34s | |
| 10/29/25 | ![]() Black Hole - Time Dilation - When Clocks Disagree | Black Hole is a podcast series exploring the most extreme and fascinating phenomena in our universe. Hosted by Felix Mercer, each episode delivers deep dives into cosmic mysteries including supermassive black holes, neutron stars, the cosmic web's vast architecture, and the relativity of time itself. Through accessible explanations and compelling narratives, the series examines how gravity shapes reality, how dead stars create the elements necessary for life, and why time passes differently depending on motion and gravity. Without interviews or guest segments, Felix guides listeners through twenty-five-minute journeys into the heart of astrophysics, making complex concepts understandable and awe-inspiring. https://amzn.to/42YoQGI This content was created in partnership and with the help of Artificial Intelligence AI. | 20m 04s | |
| 10/29/25 | ![]() Black Hole - The Cosmic Web - Architecture of the Universe | Black Hole is a podcast series exploring the most extreme and fascinating phenomena in our universe. Hosted by Felix Mercer, each episode delivers deep dives into cosmic mysteries including supermassive black holes, neutron stars, the cosmic web's vast architecture, and the relativity of time itself. Through accessible explanations and compelling narratives, the series examines how gravity shapes reality, how dead stars create the elements necessary for life, and why time passes differently depending on motion and gravity. Without interviews or guest segments, Felix guides listeners through twenty-five-minute journeys into the heart of astrophysics, making complex concepts understandable and awe-inspiring. https://amzn.to/42YoQGI This content was created in partnership and with the help of Artificial Intelligence AI. | 19m 19s | |
| 10/29/25 | ![]() Black Hole - Neutron Stars - The Universe's Most Extreme Matter | Black Hole is a podcast series exploring the most extreme and fascinating phenomena in our universe. Hosted by Felix Mercer, each episode delivers deep dives into cosmic mysteries including supermassive black holes, neutron stars, the cosmic web's vast architecture, and the relativity of time itself. Through accessible explanations and compelling narratives, the series examines how gravity shapes reality, how dead stars create the elements necessary for life, and why time passes differently depending on motion and gravity. Without interviews or guest segments, Felix guides listeners through twenty-five-minute journeys into the heart of astrophysics, making complex concepts understandable and awe-inspiring. https://amzn.to/42YoQGI This content was created in partnership and with the help of Artificial Intelligence AI. | 21m 45s | |
| 3/19/25 | ![]() Supermassive Giants - Exploring the Cosmic Titan | "Supermassive Giants" explores the mind-bending world of supermassive black holes through the engaging perspective of host Felix Mercer. This conversational journey takes listeners from our own galaxy's relatively modest Sagittarius A* to the behemoth M87*, explaining how these cosmic titans shape galactic evolution and challenge our understanding of physics. Felix brings complex astrophysics to life with his characteristic blend of scientific accuracy, thoughtful metaphors, and contagious wonder. For more captivating cosmic explorations and thought-provoking science content, visit https://www.quietperiodplease.com/ – your destination for engaging podcasts that transform complex ideas into accessible adventures. This content was created in partnership and with the help of Artificial Intelligence AI. | 25m 55s | |
| 3/19/25 | ![]() Journey into Darkness - The Complete Anatomy of Black Holes Explained | This engaging exploration of black holes takes listeners on a cosmic journey through the most mysterious objects in our universe. Host Felix Mercer explains the anatomy of these cosmic devourers with his signature blend of scientific accuracy and storytelling magic. From the point-of-no-return event horizon to the infinitely dense singularity at the core, from the swirling accretion disks to the different varieties of black holes that populate our cosmos, this episode makes complex astrophysics accessible and fascinating. For more mind-expanding content like this, visit https://www.quietperiodplease.com/ where you'll find a universe of engaging podcasts waiting to expand your horizons. This content was created in partnership and with the help of Artificial Intelligence AI. | 26m 35s | |
| 5/22/24 | ![]() Black Holes Revealed - Gravity's Ultimate Phenomena | This in-depth episode takes readers on an illuminating journey into the extreme universe of black holes - the most enigmatic and gravitationally powerful objects in the cosmos. It explores what black holes are, the different types that exist, and their remarkable, paradoxical properties like infinite density and warping of spacetime. The article delves into the cosmic significance of black holes, their roles in galaxy evolution and as laboratories for testing fundamental physics. It covers the latest observational techniques used to study black holes and the future frontiers in black hole research, including gravitational wave astronomy, next-generation telescopes, and the quest for a theory of quantum gravity. With insightful scientific details woven together in an engaging narrative, this article unveils the captivating mysteries of black holes and their vital importance to our understanding of the universe. This content was created in partnership and with the help of Artificial Intelligence AI. | 11m 02s |
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Chart Positions
7 placements across 7 markets.
Chart Positions
7 placements across 7 markets.

