
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 10 chart positions in 10 markets.
By chart position
- 🇦🇺AU · Astronomy#46100K to 300K
- 🇩🇪DE · Astronomy#7430K to 100K
- 🇬🇧GB · Astronomy#9530K to 100K
- 🇨🇦CA · Astronomy#1095K to 30K
- 🇺🇸US · Astronomy#1385K to 30K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
120K to 390K🎙 Weekly cadence·102 episodes·Last published 2w ago - Monthly Reach
Unique listeners across all episodes (30 days)
240K to 780K🇦🇺38%🇩🇪13%🇬🇧13%+7 more - Active Followers
Loyal subscribers who consistently listen
72K to 234K
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
Episode 84: Celebrating 10 years of IDIA
Jun 9, 2026
Unknown duration
Episode 83: Celebrating 20 Years of SALT
Dec 31, 2025
Unknown duration
Episode 82: When Telescopes Think - AI and the Future of Astronomy
Dec 1, 2025
Unknown duration
Episode 81: One Last Burst - Gamma Rays and Afterglows
Oct 8, 2025
Unknown duration
Episode 80: The Mightee MeerKAT’s View of the Universe
Sep 25, 2025
Unknown duration
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| Date | Episode | Description | Length | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 6/9/26 | ![]() Episode 84: Celebrating 10 years of IDIA | In this special episode of The Cosmic Savannah, we celebrate the 10th anniversary of IDIA(Inter-University Institute for Data Intensive Astronomy) with three very special guests: the new director Professor Roger Deane, astronomy support specialist Walter Silima, and head of outreach and development Associate Professor Sally McFarlane. | — | ||||||
| 12/31/25 | ![]() Episode 83: Celebrating 20 Years of SALT | Jacinta and Francois wrap up Season 6 of The Cosmic Savannah with this exciting and reflective episode, discussing the history, science and legacy of the Southern African Large Telescope (SALT) which celebrated it's 20th anniversary in November of 2025. | — | ||||||
| 12/1/25 | ![]() Episode 82: When Telescopes Think - AI and the Future of Astronomy | In this episode of the Cosmic Savannah, Dan and Francois sit down with Dr Nick Erasmus to discuss the ATLAS digital assistant and the use of Artificial Intelligence and Machine Learning in Astronomy and how this technology is shaping the new astronomy landscape, and what the role of the astronomer will be in this new age. | — | ||||||
| 10/8/25 | ![]() Episode 81: One Last Burst - Gamma Rays and Afterglows | In this episode, Jacinta chats with Dr Simon de Wet about the discoveries he made during his Master's and PhD theses regarding mysterious gamma ray bursts (GRBs). Meanwhile, the team takes a trip back to the Pendulum Room for a final farewell to the old studio. | — | ||||||
| 9/25/25 | ![]() Episode 80: The Mightee MeerKAT’s View of the Universe | with Prof Matt Jarvis, Dr Imogen Whittam and Dr Anastasia PonomarevaIn this episode, Jacinta takes us back to Oxford to catch up with researchers leading one of the biggest astronomy projects with South Africa’s MeerKAT radio telescope — the MIGHTEE Survey!We hear from Prof. Matt Jarvis, Dr. Imogen Whittam, and Dr. Anastasia Ponomareva at the University of Oxford, who explain how astronomers use MeerKAT to study how galaxies have changed over the history of the Universe – a process called galaxy evolution. MIGHTEE looks at both the raw gas that fuels new stars (neutral hydrogen, or HI) and the powerful black holes at galaxy centres that can regulate star formation with their giant radio jets. The survey also brings together more than a hundred scientists worldwide and provides unique opportunities for South African students to lead exciting discoveries.The team talk us through how they map hydrogen gas in 3D using the famous 21-cm signal, why puzzling results suggest galaxies have kept the same supply of gas even as their star formation has slowed, and how new data challenges the textbook picture of how black holes are fuelled. They also describe the practical challenges of handling thousands of radio sources and how international collaborations of around 100 astronomers make it all possible.This episode follows on from our last, where Jacinta’s RADHIANCE students shared their Oxford adventures — now we dive into the cutting-edge science itself! | — | ||||||
| 9/10/25 | ![]() Episode 79: RADHIANCE research at the University of Oxford | In this episode, we hear from three postgraduate astronomy students from the University of Cape Town about their worldly adventures during a research trip to the University of Oxford in the UK! | — | ||||||
| 8/27/25 | ![]() Episode 78: Back Under The Stars – A New Dawn! | We are back with the second half of season 6!In this episode, we are joined by Kevin Govender, Chair of the National Organising Committee and Director of the Office of Astronomy for Development (OAD). With a background in Nuclear Physics, Kevin first became involved in astronomy in 2006 when he managed the Collateral Benefits Programme at the South African Astronomical Observatory (SAAO). This work ultimately led to his appointment as the inaugural Director of the OAD in 2011. | — | ||||||
| 1/20/25 | ![]() Episode 77: Troublesome ‘Inkathazo’ and the Age of Giants | In this "mid-season special" episode, we introduce you to an extraordinary giant radio galaxy nicknamed "Inkathazo", meaning ‘trouble’ in isiXhosa and isiZulu. We speak with Kathleen Charlton, a Master’s student from the University of Cape Town, about the discovery of Inkathazo and her newly published work on the topic. The post Episode 77: Troublesome ‘Inkathazo’ and the Age of Giants appeared first on The Cosmic Savannah. | — | ||||||
| 9/24/24 | ![]() A Heritage Day Special: Pulsars and possibilities – a conversation with Jocelyn Bell-Burnell (rerun) | This is a rerun of a previous episode (60) titled Pulsars and possibilities with Prof. Jocelyn Bell-Burnell. Firstly, The Cosmic Savannah is very excited to welcome a new host! We […] The post A Heritage Day Special: Pulsars and possibilities – a conversation with Jocelyn Bell-Burnell (rerun) appeared first on The Cosmic Savannah. | — | ||||||
| 8/29/24 | ![]() Episode 76: First ever Live Show debut at Astronomy Olympics | This week, join us for a special live episode from the IAU General Assembly in Cape Town, South Africa. Featuring black hole simulations expert Dr. Nicole Thomas and winner of the 2011 Nobel Prize for Physics Prof. Brian Schmidt. The post Episode 76: First ever Live Show debut at Astronomy Olympics appeared first on The Cosmic Savannah. | — | ||||||
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| 8/13/24 | ![]() Announcement: The Cosmic Savannah Live Show | Remember to get your tickets for the first ever Cosmic Savannah Live Show at the CTICC on Wednesday 14 August at 19:00. Tickets are free to the public but must be booked via Quicket. You can also join us live online! See show notes for links. The post Announcement: The Cosmic Savannah Live Show appeared first on The Cosmic Savannah. | — | ||||||
| 7/31/24 | ![]() Episode 75: Exploring the Universe at the SARAO Conference | In this double feature episode, Jacinta interviews two amazing astronomers at the SARAO (South African Radio Astronomical Observatory) conference. The post Episode 75: Exploring the Universe at the SARAO Conference appeared first on The Cosmic Savannah. | — | ||||||
| 7/29/24 | ![]() Special Announcement: The Cosmic Savannah Live Show | With Dr Nicole Thomas and Prof Brian Schmidt It is with great excitement that we announce the first ever Cosmic Savannah Live Show on the 14th Of August (19:00) at […] The post Special Announcement: The Cosmic Savannah Live Show appeared first on The Cosmic Savannah. | — | ||||||
| 7/17/24 | ![]() Episode 74: Simulating Cosmic Nurseries | This episode of Cosmic Savannah features Professor James Chibueze, a distinguished professor at the University of South Africa, discussing his research on star formation using radio astronomy. The post Episode 74: Simulating Cosmic Nurseries appeared first on The Cosmic Savannah. | — | ||||||
| 7/3/24 | ![]() Episode 73: Burping Black Holes | In this episode of The Cosmic Savannah, hosts Dr. Tshiamiso Makwela, Dr. Jacinta Delhaize, and Dr. Daniel Cunnama speak with Dr. Eli Kasai from the University of Namibia. Dr. Kasai shares his inspiring journey of establishing the astronomy department at the University of Namibia, and his work on blazars using SALT and the Cherenkov Telescope Array. He also discusses the exciting African Millimetre Telescope project and Namibia's active role in the global astrophysics community, along with efforts to engage the public through the mobile planetarium. The post Episode 73: Burping Black Holes appeared first on The Cosmic Savannah. | — | ||||||
| 6/19/24 | ![]() Episode 72: Exploring New Horizons in Astronomy | In this episode of The Cosmic Savannah, our hosts chat with Dr. Rojovola Zara-Nomena Randriamanakoto from the South African Astronomical Observatory about her transformative journey from Madagascar to becoming an instrumental figure in astronomy, advocating for women in STEM, and her research on star clusters and colliding galaxies. The post Episode 72: Exploring New Horizons in Astronomy appeared first on The Cosmic Savannah. | — | ||||||
| 6/5/24 | ![]() Episode 71: Dark Side of the Universe | In this milestone episode of The Cosmic Savannah, hosts Tshiamiso, Jacinta and Dan celebrate the start of Season Six and the podcast's fifth anniversary. The post Episode 71: Dark Side of the Universe appeared first on The Cosmic Savannah. | — | ||||||
| 2/29/24 | ![]() Episode 70: Season 5 in Review | The band is back together! In this episode Jacinta, Tshia and Dan sit together in the cupboard once again to catch up and to reflect on Season 5. The post Episode 70: Season 5 in Review appeared first on The Cosmic Savannah. | — | ||||||
| 12/22/23 | ![]() Mini Episode: Big data, big IDIA | In this mini episode Jacinta has a quick interview with Professor Russ Taylor, one of the founders of IDIA ( The Inter-University Institute for Data Intensive Astronomy). The post Mini Episode: Big data, big IDIA appeared first on The Cosmic Savannah. | — | ||||||
| 12/7/23 | ![]() Episode 69: Into the Matrix – Visualising Polar Ring Galaxies | In the second part of the Polar ring galaxy series, Jacinta and Tshia drop in on Dr Lucia Marchetti and Alex Sivitilli in the IDIA (The Inter-university Institute for Data Intensive Astronomy) Visualisation Laboratory at UCT (The University of Cape Town) where they learn how Virtual Reality (VR) can be used to model astronomical data in three dimensions. The post Episode 69: Into the Matrix – Visualising Polar Ring Galaxies appeared first on The Cosmic Savannah. | — | ||||||
| 11/23/23 | ![]() Episode 68: Untangling the Origins of Polar Ring Galaxies | This week Dr Nathan Deg returns to The Cosmic Savannah to discuss Polar-ring galaxies and how he models these incredible structures. The post Episode 68: Untangling the Origins of Polar Ring Galaxies appeared first on The Cosmic Savannah. | — | ||||||
| 11/7/23 | ![]() Episode 67: A Stroll to the Edge of The Universe | In this “unplugged” episode, we hear from our own! New host Tshiamiso Makwela tells us about her research and we introduce you to our new podcast manager, Francois Campher. Tshiamiso (Tshia) discusses her work in the field of Astronomy Education Research. She asks us "how big is big" and "how far is far"? Tshia explains why these concepts so difficult, yet so important, to comprehend. The post Episode 67: A Stroll to the Edge of The Universe appeared first on The Cosmic Savannah. | — | ||||||
| 10/19/23 | ![]() Episode 66: Meertime Mysteries – Pulsars and Prizes | In this new exciting episode Professor Matthew Bailes returns to discuss his recent work on Pulsars as well as his thoughts and feelings on winning the 2023 Shaw Prize for the discovery of Fast Radio Bursts. The post Episode 66: Meertime Mysteries – Pulsars and Prizes appeared first on The Cosmic Savannah. | — | ||||||
| 10/5/23 | ![]() Episode 65: Zombies of the Cosmos (Re-run) | This is a re-run of episode 29 of The Cosmic Savannah in anticipation of an upcoming interview with Prof Matthew Bailes so all our listeners can get up to speed about everything to do with Neutron Stars! The post Episode 65: Zombies of the Cosmos (Re-run) appeared first on The Cosmic Savannah. | — | ||||||
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Chart Positions
10 placements across 10 markets.
Chart Positions
10 placements across 10 markets.

















