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Podcast Profile: The Cosmic Savannah

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103 episodes
2019 to 2026
Median: 43 minutes
Collection: Physics, Math, and Astronomy


Description (podcaster-provided):

A podcast showcasing world-class astronomy under African skies.


Themes and summary (AI-generated based on podcaster-provided show and episode descriptions):

➤ African astronomy research • SALT, MeerKAT, SKA telescopes • galaxy evolution, hydrogen gas mapping • black holes, blazars, radio galaxies • pulsars, fast radio bursts, gamma-ray bursts • AI/ML, big-data, VR visualisation • outreach, education, diversity initiatives, citizen science

This podcast spotlights modern astronomy with a strong emphasis on research and observatories connected to Africa, particularly Southern Africa. Conversations with astronomers, students, and science leaders unpack how telescopes and large collaborations investigate the universe, from the physics of extreme objects to the long-term evolution of galaxies. A recurring thread is the role of major facilities—especially radio and optical instruments—in enabling new discoveries, along with the practical realities of running surveys, building instruments, and coordinating international teams.

Across the episodes, listeners encounter topics such as galaxy evolution and the cold gas that fuels star formation, the behaviour of supermassive black holes and energetic jets, and transient phenomena like gamma-ray bursts, pulsars, and fast radio bursts. The show also digs into the methods behind the results: spectroscopy, simulations, big-data pipelines, and newer tools like machine learning, digital assistants, and even virtual-reality visualisation of three-dimensional astronomical datasets. Several discussions highlight how astronomers map hydrogen across cosmic time using radio signals and how unexpected findings can challenge standard textbook pictures.

Alongside science, this podcast pays attention to the human and institutional side of astronomy in Africa—training and opportunities for students, the growth of departments and projects on the continent, and the development of global “big science” efforts such as next-generation telescope arrays. Themes of public engagement, citizen science, diversity and inclusion (including networks supporting women in astronomy), mental health in academia, and links between astronomy and broader societal issues like climate communication also appear. Live-event and milestone reflections provide occasional behind-the-scenes context on how the community and its flagship facilities have evolved.


Episodes:
Episode Image Episode 84: Celebrating 10 years of IDIA
2026-Jun-09
37 minutes
Episode Image Episode 83: Celebrating 20 Years of SALT
2025-Dec-31
53 minutes
Episode Image Episode 82: When Telescopes Think - AI and the Future of Astronomy
2025-Dec-01
33 minutes
Episode Image Episode 81: One Last Burst - Gamma Rays and Afterglows
2025-Oct-08
41 minutes
Episode Image Episode 81: One Last Burst - Gamma Rays and Afterglows
2025-Oct-08
41 minutes
Episode Image Episode 80: The Mightee MeerKAT’s View of the Universe
2025-Sep-25
67 minutes
Episode Image Episode 79: RADHIANCE research at the University of Oxford
2025-Sep-10
57 minutes
Episode Image Episode 78: Back Under The Stars – A New Dawn!
2025-Aug-27
60 minutes
Episode Image Episode 77: Troublesome ‘Inkathazo’ and the Age of Giants
2025-Jan-20
33 minutes
Episode Image A Heritage Day Special: Pulsars and possibilities – a conversation with Jocelyn Bell-Burnell (rerun)
2024-Sep-24
60 minutes
Episode Image Episode 76: First ever Live Show debut at Astronomy Olympics
2024-Aug-29
64 minutes
Episode Image Announcement: The Cosmic Savannah Live Show
2024-Aug-13
2 minutes
Episode Image Episode 75: Exploring the Universe at the SARAO Conference
2024-Jul-31
49 minutes
Episode Image Special Announcement: The Cosmic Savannah Live Show
2024-Jul-29
3 minutes
Episode Image Episode 74: Simulating Cosmic Nurseries
2024-Jul-17
61 minutes
Episode Image Episode 73: Burping Black Holes
2024-Jul-03
35 minutes
Episode Image Episode 72: Exploring New Horizons in Astronomy
2024-Jun-19
45 minutes
Episode Image Episode 71: Dark Side of the Universe
2024-Jun-05
69 minutes
Episode Image Episode 70: Season 5 in Review
2024-Feb-29
29 minutes
Episode Image Mini Episode: Big data, big IDIA
2023-Dec-22
13 minutes
Episode Image Episode 69: Into the Matrix – Visualising Polar Ring Galaxies
2023-Dec-07
53 minutes
Episode Image Episode 68: Untangling the Origins of Polar Ring Galaxies
2023-Nov-23
52 minutes
Episode Image Episode 67: A Stroll to the Edge of The Universe
2023-Nov-07
60 minutes
Episode Image Episode 66: Meertime Mysteries – Pulsars and Prizes
2023-Oct-19
51 minutes
Episode Image Episode 65: Zombies of the Cosmos (Re-run)
2023-Oct-05
51 minutes
Episode Image Episode 64: Bursts from Space
2023-Sep-07
34 minutes
Episode Image Episode 63: How Galaxies Evolve – The Quest for Cold Gas
2023-Aug-24
54 minutes
Episode Image Episode 62: Behind the Scenes of the SKAO with Phil Diamond
2023-Aug-10
36 minutes
Episode Image Episode 61: Part 2 – SKAO Construction Commencement Ceremony – Australia
2023-Aug-03
35 minutes
Episode Image Part 1 - SKAO Construction Commencement Ceremony - South Africa
2023-Jul-27
19 minutes
Episode Image Episode 60: Pulsars and possibilities – a conversation with Jocelyn Bell-Burnell
2023-Jul-12
59 minutes
Episode Image Pre-season special: What’s been happening?
2023-Jun-01
24 minutes
Episode Image Episode 59: Construction of the SKA commences!
2022-Dec-04
52 minutes
Episode Image Episode 58: Season 4 in Review
2022-Jun-21
49 minutes
Episode Image Episode 57: From dust to dust
2022-Jun-07
44 minutes
Episode Image Episode 56: Our supermassive black hole
2022-May-26
38 minutes
Episode Image Episode 55: A Trip Down Under (Re-run)
2022-May-10
57 minutes
Episode Image Episode 54: The African Network of Women in Astronomy
2022-Apr-26
44 minutes
Episode Image Episode 53: Space lasers!
2022-Apr-12
52 minutes
Episode Image Episode 52: Head Space
2022-Mar-29
59 minutes
Episode Image Episode 51: No Planet B
2022-Mar-15
48 minutes
Episode Image Episode 50: Titans of Astronomy
2022-Mar-03
53 minutes
Episode Image Episode 49: SALT Spectroscopy
2022-Feb-14
51 minutes
Episode Image Episode 48: ATLAS – Holding up the Heavens!
2022-Feb-01
41 minutes
Episode Image Episode 47: SALT and Near-Earth Asteroids (re-run)
2022-Jan-27
42 minutes
Episode Image Episode 46: A crash of clusters
2021-Dec-06
44 minutes
Episode Image Episode 45: The James Webb Space Telescope
2021-Nov-22
35 minutes
Episode Image Episode 44: Stars behaving badly! (Re-run)
2021-Nov-08
51 minutes
Episode Image Episode 43: The search for hidden hydrogen
2021-Oct-25
45 minutes
Episode Image Episode 42: Rockin’ all over the World
2021-Oct-11
49 minutes
Episode Image Episode 41: How to Train Your Galaxy
2021-Sep-27
41 minutes
Episode Image Episode 40: The mystery of the Fast Radio Burst
2021-Sep-13
53 minutes
Episode Image Episode 39: Erupting novae
2021-Aug-30
33 minutes
Episode Image Episode 38: Rise of the machines
2021-Aug-16
43 minutes
Episode Image Episode 37: Square Kilometre Array telescope is go for construction!
2021-Aug-02
53 minutes
Episode Image Episode 36: A Year in Review
2021-Apr-01
30 minutes
Episode Image Episode 35: Rising Stars
2021-Mar-18
43 minutes
Episode Image Episode 34: The Life Cycle of Galaxies
2021-Mar-04
43 minutes
Episode Image Episode 33: Mars Rovers and the South African National Space Agency
2021-Feb-16
30 minutes
Episode Image Episode 32: The MeerKAT Fornax Survey
2021-Feb-04
27 minutes
Episode Image Episode 31: Cosmic Beasts and Where to Find Them
2021-Jan-18
37 minutes
Episode Image Bonus: Rerun – Event Horizon Telescope
2020-Dec-23
49 minutes
Episode Image Episode 30: Pretty Planetary Nebulae
2020-Dec-10
27 minutes
Episode Image Episode 29: Zombies of the Cosmos
2020-Nov-26
50 minutes
Episode Image Episode 28: Under a Shared Sky
2020-Nov-12
40 minutes
Episode Image Episode 27: A Bamboo Planetarium
2020-Oct-29
39 minutes
Episode Image Episode 26: Beyond 200 years of astronomy in South Africa
2020-Oct-15
46 minutes
Episode Image Mini Episode 8: Capturing the whispers of hydrogen
2020-Oct-02
14 minutes
Episode Image Mini Episode 7: Beyond the zone of avoidance
2020-Sep-24
12 minutes
Episode Image Mini Episode: The Universe evolves too
2020-Sep-17
8 minutes
Episode Image Mini Episode: "From Hospitality to aspiring Astronomer"
2020-Sep-10
9 minutes
Episode Image Mini Episode: "But How Does Astronomy Benefit Humanity?!"
2020-Sep-03
9 minutes
Episode Image Mini Episode: The Most Powerful Explosion Ever Recorded
2020-Aug-27
16 minutes
Episode Image Mini Episode: Seeing Beyond the Satellites
2020-Aug-20
14 minutes
Episode Image Mini Episode: Watching the watchers
2020-Aug-13
15 minutes
Episode Image Special Episode: Annular Solar Eclipse 21 June 2020
2020-Jun-17
28 minutes
Episode Image Episode 25: A Year in Review
2020-Apr-23
41 minutes
Episode Image Episode 24: HIRAX
2020-Apr-10
35 minutes
Episode Image Episode 23: ThunderKAT
2020-Mar-30
39 minutes
Episode Image Episode 22: Milky Way blowing bubbles!
2020-Mar-12
40 minutes
Episode Image Episode 21: X-ray binaries and Astrocomms!
2020-Feb-27
47 minutes
Episode Image Episode 20: Cosmic Chemistry
2020-Feb-13
40 minutes
Episode Image Episode 19: Astro Molo Mhlaba
2019-Dec-19
67 minutes
Episode Image Episode 18: Dark skies over Africa
2019-Dec-05
42 minutes
Episode Image Episode 17: Space Telescopes!
2019-Nov-21
59 minutes
Episode Image Episode 16: Transit of Mercury, 11 November 2019
2019-Nov-06
34 minutes
Episode Image Episode 15: The Vatican Observatory and more!
2019-Oct-31
62 minutes
Episode Image Episode 14: Modeling Meerkats
2019-Oct-17
49 minutes
Episode Image Inter-Season Bonus: Soapbox Science
2019-Sep-20
19 minutes
Episode Image Episode 13: The South African Astronomical Observatory
2019-Aug-01
49 minutes
Episode Image Episode 12: Further Adventures in Oz
2019-Jul-18
46 minutes
Episode Image Episode 11: A Trip Down Under
2019-Jul-04
54 minutes
Episode Image Episode 10: Stars behaving badly!
2019-Jun-20
50 minutes
Episode Image Episode 9: Simulating the Universe - Part 2
2019-Jun-06
41 minutes
Episode Image Episode 8: Simulating the Universe
2019-May-23
49 minutes
Episode Image Episode 7: Under African Skies
2019-May-09
46 minutes
Episode Image Episode 6: Galactic Neighbourhoods
2019-Apr-26
40 minutes
Episode Image Episode 5 (Special Edition): Event Horizon Telescope - First Results
2019-Apr-12
46 minutes
Episode Image Episode 4: Black holes and radio jets
2019-Apr-11
45 minutes
Episode Image Episode 3: SETI with MeerKAT
2019-Mar-29
35 minutes
Episode Image Episode 2: Instruments and Singing Asteroids
2019-Mar-28
43 minutes
Episode Image Episode 1: SALT and Near-Earth Asteroids
2019-Mar-15
39 minutes
Episode Image Ep 0: The Cosmic Savannah teaser
2019-Mar-10
less than a minute