

Universe Today Podcast
Fraser Cain
Space news, interviews, Q&As, and exclusive content from Universe Today.
Audio versions of Fraser Cain YouTube channel.
Audio versions of Fraser Cain YouTube channel.
Episodes
Mentioned books

Feb 7, 2025 β’ 18min
[Space Bites] Potential City-Killer Asteroid // Largest Structure in The Universe // Moon Canyons
A new asteroid with a 1% chance of hitting Earth in 2032, the European Space Agency is building a Lunar Lander platform, the largest structure in the Universe has been discovered, and how far away could we detect ourselves?
π¦ Support us on Patreon:
https://patreon.com/universetoday
00:00 Intro
00:19 Asteroid can hit Earth in 2032
https://www.universetoday.com/170717/an-asteroid-has-a-1-chance-of-impacting-earth-in-2032/
02:27 ESA's lunar lander
https://www.universetoday.com/170745/esa-is-building-its-own-lunar-lander/
03:39 Moon's geological activity
https://www.universetoday.com/170694/evidence-of-recent-geological-activity-on-the-moon/
05:17 Moon canyons
https://www.nature.com/articles/s41467-024-55675-z
07:01 How far can we detect ourselves
https://www.universetoday.com/170747/how-far-away-could-we-detect-ourselves/
09:45 Vote results
https://www.youtube.com/@frasercain/community
10:25 Largest structure in the Universe
https://www.universetoday.com/170765/astronomers-find-the-largest-structure-in-the-universe-and-name-it-quipu/
12:44 Signs of a SMBH in the Large Magellanic Cloud
https://arxiv.org/abs/2502.00102
14:00 Three great images
16:15 Even more space news
17:42 Interviews
πΊ VIDEO VERSION
https://youtu.be/Nforc1j1Dl4
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 7, 2025 β’ 21min
[Q&A] China VS USA Mars Sample Return, Who Controls JWST, Science VS AI
Who will get sample from Mars first? Who controls the James Webb Space Telescope? Does space radiation rule out panspermia? Answering all these questions and more in this Q&A show.
π Watch the extended Overtime Q&A:
https://www.patreon.com/posts/overtime-for-qa-121506185
00:00 Start
00:25 Mars sample return race. USA or China?
06:04 What happens to the information going into a black hole?
09:49 Who controls JWST?
12:20 Do we need science when we have AI now?
17:00 Does space radiation rule out panspermia?
πΊ VIDEO VERSION
https://youtu.be/5RCVITsXEQA
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 5, 2025 β’ 28min
[NIAC 2025] Using Metamaterials to Build A Starshade in Space
We all want to see potentially habitable exoplanets around Sun-like stars. But to do that you need a starshade. Something to cover the star and reveal the faint planets around it. What can we build these structures from to make them rigid and strong enough? Finding out in this interview.
π£ Guest: Christine Gregg
Dynamically Stable Large Space Structures via Architected Metamaterials
https://www.nasa.gov/directorates/stmd/niac/dynamically-stable-large-space-structures-via-architected-metamaterials/
π¦ Support us on Patreon:
https://patreon.com/universetoday
00:00 Intro
02:05 Meta-materials
06:12 NIAC award
14:11 In-space assembly
27:04 More interviews
πΊ VIDEO VERSION
https://youtu.be/exiT7BsJhH0
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 4, 2025 β’ 21min
[Q&A] Shape of Craters, Max Size for a Telescope, Atmospheres of Black Holes
Why are most craters circular, no matter which angle the meteor falls? Is there a size limit for a telescope before diminishing returns take place? Can black holes have atmospheres? Answering all these questions and more in this Q&A show.
π Watch the extended Overtime Q&A:
https://www.patreon.com/universetoday
00:00 Start
00:24 How big can a telescope get?
05:12 Does an optical telescope on the Moon make any sense?
08:13 Can black holes have atmospheres?
11:05 Why are craters circular not elliptical?
12:41 Will Starship refuel in orbit in 2025?
12:52 Is there evidence for primordial black holes?
πΊ VIDEO VERSION
https://youtu.be/MaKWptXAxC8
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 3, 2025 β’ 31min
[NIAC 2025] NASA Just Funded This Project. Assembling Large Structures in Space
Space Docks are everywhere in science fiction. It's the most logical way to build big constructions in space. So, NASA funded a futuristic project that studies the possibility of assembling structures in space.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π NIAC 2024 playlist
π NIAC 2023 playlist
π£ Guest: Dr Vojtech Holub
https://thinkorbital.com/
π NIAC award, Construction Assembly Destination:
https://www.nasa.gov/directorates/stmd/niac/construction-assembly-destination/
00:00 Intro
01:26 Welding in space experiment
08:03 The NIAC award
27:39 Current obsessions
30:01 Final thoughts and more interviews
πΊ VIDEO VERSION
https://youtu.be/3BHNz68krNM
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 2, 2025 β’ 35min
[NIAC 2025] NASAβs First Step To A Cloud City on Venus
The MOXIE experiment on the Perseverance rover showed that creating oxygen on other planets is possible. Now, we can apply the same logic to Venus. This could allow the creation of constantly floating balloons, leading to cloud cities in the future.
π¦ Support us on Patreon:
https://patreon.com/universetoday
00:00 Intro
02:03 MOXIE experiment on Perseverance
08:17 Exploring Venus with Electrolysis
22:18 Protecting the balloon
25:10 Efficiency
34:23 More interviews
πΊ VIDEO VERSION
https://youtu.be/IYD5DIVgDGo
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Feb 1, 2025 β’ 1h 2min
[Interview] Here's Why We Need A Venus Exploration Program
Venus is closer than Mars. It's more Earth-like. We can bring back samples from it. But it's chronically underexlored. This is why we need a Venus Exploration Program!
π Watch the bonus part about Mars Sample Return:
https://www.patreon.com/universetoday
π£ Guest: Dr Paul Byrne
https://arxiv.org/pdf/2412.06830
00:00 Intro
01:35 Current state of Venus exploration
08:08 Venus Exploration Program
16:41 Technological advancements
23:32 Venus Sample Return
27:05 Why Venus at all
38:36 Big scientific question
57:07 Current obsessions
πΊ VIDEO VERSION
https://youtu.be/qshaDSStFPY
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Jan 31, 2025 β’ 20min
[Space Bites] Building Blocks of Life // Giant Volcanic Activity of Io // Bacteria Outside the ISS
The building blocks of life have been found in asteroid samples, the most volcanic activity ever seen on Io, astronauts are searching for bacteria on the outside of the space station, and Ingenuity found surprisingly fast wind speeds on Mars.
π Watch our videos with no ads:
https://www.patreon.com/c/universetoday/posts
π TRAPPIST-1 Interview
https://youtu.be/B8H4EnbKkgU?si=yx3T0c04AC2fRg8c
00:00 Intro
00:19 Building blocks for life in OSIRIS-REx samples
https://www.universetoday.com/170693/the-building-blocks-for-life-found-in-asteroid-bennu-samples/
03:08 First launch for an asteroid mining company
https://arstechnica.com/space/2025/01/astroforge-selects-target-for-high-risk-seat-of-the-pants-asteroid-mission/
05:47 Record-breaking volcanic activity on Io
https://www.universetoday.com/170655/juno-sees-a-massive-hotspot-of-volcanic-activity-on-io/
07:08 2 planets 1 star
https://www.universetoday.com/170673/massive-gas-giant-planets-locked-in-a-gravitational-struggle/
08:39 Microbes outside the ISS
https://www.universetoday.com/170658/astronauts-are-going-to-check-if-there-are-microbes-on-the-outside-of-the-station/
10:31 Vote results
https://www.youtube.com/@frasercain/community
11:04 Ingenuity and wind speeds
https://www.universetoday.com/170619/ingenuity-measured-windspeeds-on-mars-during-its-flights/
12:43 M87 changing over time
https://www.universetoday.com/170642/watching-the-changing-m87-black-hole-event-horizon/
14:45 Predicting solar flares with AI
https://www.universetoday.com/170687/machine-learning-could-have-predicted-the-powerful-solar-storms-in-2024/
17:02 More space news
17:42 Flood of interviews
πΊ VIDEO VERSION
https://youtu.be/heXfIiyl0GU
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Jan 30, 2025 β’ 20min
[Q&A] Biggest Possible Crowbar, Sun Illusion, Measuring Temperature on the Moon
How big can a space crowbar be? Why does the Sun look bigger near the horizon? How do we measure temperature on the Moon? Answering all these questions and more in this Q&A show.
π Watch the extended Overtime Q&A:
https://patreon.com/universetoday
00:00 Start
00:23 How do we measure temperature on the Moon or in space?
03:51 Can you see more of the Milky Way in the Southern Hemisphere?
06:07 What is metallic hydrogen?
10:16 Is the Sun bigger near the horizon?
12:45 What's Gaia's role in the distance ladder?
15:45 How big can a crowbar be in space?
πΊ VIDEO VERSION
https://youtu.be/aMrsKgJPnxA
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Jan 29, 2025 β’ 40min
[Interview] Alien Atmosphere Inspector. The Pandora Telescope
NASA is launching a new telescope this year called Pandora. It'll be specifically inspecting atmospheres of exoplanets. It even uses spare parts from JWST. Learning more about the Pandora telescope in this interview.
π£ Guest: Dr Ben Hord
https://pandorasat.com/
π¦ Support us on Patreon:
https://patreon.com/universetoday
00:00 Intro
01:31 What is the Pandora mission
07:37 Target selection
13:38 Spare detector from JWST
16:59 Fighting stellar contamination
26:32 An alternative for TRAPPIST-1
28:57 What's next for Pandora
35:05 Current obsessions
38:18 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/96Ee8Z-sbSU
π° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast