

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

Jan 28, 2025 β’ 21min
[Q&A] Riding a Comet, Moon Ore Veins, Internet on Mars
Did we find ore veins on Moon or Mars? Can we see astronomical objects in 3D? Can we catch a ride on a comet? How will the internet work on Mars? Answering all these questions and more in this Q&A.
π Watch the extended Overtime Q&A:
https://patreon.com/universetoday
00:00 Start
00:23 Did we find ore veins on Moon or Mars?
05:13 Is it harder to land on the Moon or on Mars?
10:40 What are the potential supernovae we could see in our lifetime?
12:41 Can we hitch a ride on a comet?
14:16 What will the Mars colony internet be like?
17:45 How to communicate with Mars when it's blocked by the Sun?
πΊ VIDEO VERSION
https://youtu.be/d-0WXmUKPRU
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 27, 2025 β’ 1h 13min
[Interview] An Ultimate Guide to TRAPPIST-1 System
What's going on with the TRAPPIST-1 system? Did James Webb find atmospheres or not? Do any of the planets have a chance to be habitable? When should we expect more information? Answering all these questions in this interview.
π Get the extra part for free here:
https://www.patreon.com/universetoday
π£ Guest: Megan Gialluca
https://depts.washington.edu/astrobio/wordpress/profile/megan-gialluca/
00:00:00 Intro
00:01:43 TRAPPIST-1b
00:17:45 TRAPPIST-1c
00:35:12 TRAPPIST-1d
00:40:06 TRAPPIST-1e, f, g, h
00:42:19 The problem of stellar contamination
01:03:50 Current obsessions
πΊ VIDEO VERSION
https://youtu.be/B8H4EnbKkgU
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 24, 2025 β’ 17min
[Space Bites] Flapping Moon Flag // Real-Time Black Hole Jets // Insane Exoplanet Winds
What happened to Starship during test flight 7? Astronomers see a black holeβs jets forming in real-time. Curiosity finds ripples of an ancient shore, and an insanely high-resolution image of Andromeda captured by Hubble.
π Watch our videos with no ads:
https://www.patreon.com/c/universetoday/posts
00:00 Intro
00:19 What happened to Starship during Flight 7
https://www.spacex.com/launches/mission/?missionId=starship-flight-7
02:25 Black Hole jets forming in real-time
https://www.universetoday.com/170504/black-hole-jets-seen-forming-in-real-time/
03:37 Flapping flag on the Moon
https://www.universetoday.com/170350/chinas-change-7-will-include-a-flag-that-will-flap-on-the-moon/
05:35 Super fast winds on an exoplanet
https://www.universetoday.com/170549/supersonic-winds-blowing-on-an-extreme-exoplanet/
06:55 Non-solo hot Jupiters
https://www.universetoday.com/170538/hot-jupiters-can-co-exist-with-other-planets/
08:19 Vote results
09:06 Predicting solar flares
https://www.universetoday.com/170547/coronal-loops-flicker-right-before-the-sun-unleashes-big-flares/
10:56 Why Mars has two different hemispheres
https://www.anu.edu.au/news/all-news/new-marsquake-data-could-help-solve-one-of-our-solar-systems-biggest-mysteries
12:35 Open water marks from Curiosity
https://www.universetoday.com/170532/curiosity-finds-ancient-wave-ripples-on-mars/
14:13 2.5 Billion pixels of Andromeda
https://www.universetoday.com/170498/hubble-takes-a-2-5-gigapixel-image-of-andromeda/
15:45 NIAC season
πΊ VIDEO VERSION
https://youtu.be/EOe9tozfYn4
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 23, 2025 β’ 21min
[Q&A] Using Jupiter's Lagrange Points, JWST Staying in Place, Fighting Mars' Low Gravity
How does JWST stay in L2 and not drift away? What is the wait calculation for Alpha Centauri? How can we use Jupiter's Lagrange points? Answering all these questions and more in this Q&A show.
π Get an extra Overtime Q&A episode:
https://www.patreon.com/posts/overtime-for-qa-120485354
00:00 Start
00:26 How does JWST stay in L2?
02:57 What is the 'wait calculation' for Alpha Cen?
06:49 Why don't they just ... wear weights to compensate for low gravity?
08:57 Can two telescopes act as an Earth-sized binocular?
14:25 Why so few timelapses?
16:15 Can we do anything interesting at Jupiter's Lagrange points?
πΊ VIDEO VERSION
https://youtu.be/xfS9_1li3XE
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 22, 2025 β’ 41min
[Interview] Fundamental Limits of Life
To look for lifer in space we need to understand it. What fundamental boundaries does it have? What limits are imposed on life? Finding out in this interview.
π¦ Get the extra part for free here:
https://www.patreon.com/universetoday
π£ Guest: Dr Ricard SolΓ©
https://santafe.edu/people/profile/ricard-sole
π Fundamental constraints to the logic of living systems
https://royalsocietypublishing.org/doi/10.1098/rsfs.2024.0010
π More interviews:
This Element Is Critical for Extraterrestrial Life. And It's Not Carbon https://youtu.be/Ppc3zzMTJTs
What The Hell Is Life? And How Do We Search For It? https://youtu.be/Eaa_b2tkiKQ
What Happens If We Find Extraterrestrial Life? https://youtu.be/2_buH0GXFx8
00:00 Intro
01:26 Fundamental constraints
08:28 Information as a limiting factor
16:16 Fundamental logic of cell structure
23:25 Computer programming VS life
24:56 Limits for life
33:57 Current obsessions
38:16 Bonus part and more interviews
πΊ VIDEO VERSION
https://youtu.be/b7D2AhNTprU
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 21, 2025 β’ 29min
[Q&A] Galactic Age of the Sun, Evidence for Dark Matter, Contamination of Mars
Did we already contaminate Mars with life from Earth? When will we find the first intergalactic object? How do we know dark matter is in the center of the Milky Way? Answering all these questions and more in this Q&A show.
π Get an extra Overtime Q&A episode:
https://patreon.com/universetoday
00:00 Start
00:26 Did we already contaminate Mars?
06:42 When will we discover a first intergalactic object?
11:19 How do we know that dark matter in at the center of the Milky Way?
14:44 Biggest night sky events of 2025?
15:57 What's the Solar System's ecliptic orientation in our galaxy?
17:57 How many laps did the Sun make around the Milky Way?
19:00 How do astronomers use JWST?
21:40 Why don't more people work with the data from telescopes?
πΊ VIDEO VERSION
https://youtu.be/SU3_svRJYUc
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 20, 2025 β’ 44min
[Interview] Life in Space WITHOUT Planets
We're used to look for life on exoplanets. But what if we're looking in the wrong place? Can life exist without a planet? Finding out in this interview.
π¦ Get the extra part for free here:
https://www.patreon.com/posts/bonus-interview-120418842
π£ Guest: Dr. Robin Wordsworth
https://eps.harvard.edu/people/robin-wordsworth
π Self-sustaining living habitats in extraterrestrial environments
https://arxiv.org/pdf/2409.14477
00:00 Intro
00:59 Life on Earth
03:57 Life without a planet
27:32 Finding life with no planet
35:50 Terraforming Mars
35:50 Current obsessions
42:00 Bonus part and more interviews
πΊ VIDEO VERSION
https://youtu.be/TFQV9wZASdw
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 17, 2025 β’ 20min
[Space Bites] Gaia Is Dead // Two MegaRockets in One Day // JWSTβs Biggest Mystery Solved
The Gaia mission is over, New Glenn gets to orbit, SpaceX catches SuperHeavy but loses Starship, and we finally get an explanation for little red dots.
π Ask your questions:
https://www.patreon.com/posts/patrons-send-in-120156795
00:00 Intro
00:18 Gaia is over
https://www.universetoday.com/170452/the-gaia-missions-science-operations-are-over/
02:51 SpaceX Starship IFT-7
04:53 Blue Origin New Glenn NG-1
https://www.blueorigin.com/news/new-glenn-ng-1-mission v
06:54 Double Moon Launch
https://skyandtelescope.org/astronomy-news/blue-ghost-lunar-lander-heads-to-the-moon/
08:16 Flares from Sgr A
https://www.universetoday.com/170444/astronomers-see-flares-coming-from-the-milky-ways-supermassive-black-hole/
09:58 Vote results
https://www.youtube.com/@frasercain/community
10:37 Explanation for the Little Red Dots
https://www.universetoday.com/170430/webb-provides-an-explanation-for-little-red-dots/
14:15 Origin of Earth's latest quasimoon
https://www.universetoday.com/170427/earths-temporary-moon-might-have-come-from-the-moon/
15:39 Observing the changing Universe
https://www.universetoday.com/170412/the-webb-shows-us-where-cosmic-dust-comes-from/
17:24 NIAC 2025
https://www.nasa.gov/directorates/stmd/niac/niac-2025-selections/
18:17 Guide to Space newsletter
18:57 Ask your questions
πΊ VIDEO VERSION
#TODO_LINK
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 16, 2025 β’ 23min
[Q&A] Humanity's First Megaproject, Will NASA Skip the Moon for Mars, Other Local Groups
Are there any other local groups of galaxies out there? Did the high temperature of the Universe create life? Will NASA be skipping the Moon for Mars? Answering all these questions and more in this Q&A.
π¦ Additional Overtime episode:
https://www.patreon.com/posts/overtime-audio-120001337
00:00 Start
00:25 Do we know of other 'local groups' of galaxies?
05:05 Did the temperature of the Universe create life?
08:37 What would be the first megaproject in space?
11:46 Can we move dirty production to the Moon?
16:09 Will NASA be skipping the Moon for Mars?
πΊ VIDEO VERSION
https://youtu.be/oFww0rlSBpY
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 15, 2025 β’ 42min
[Interview] What Will It Take to Find All The Exoplanets? MAUVE and Beyond
How will the upcoming MAUVE telescope fit into the search for exoplanets? What science goals will it have? How will future instruments and telescopes help? Finding out in this interview.
π¦ Get the extra part for free here:
https://www.patreon.com/posts/bonus-interview-120079050
π£ Guest: Dr. Emily Rickman
https://www.emilyrickman.com/
π MAUVE: Mission to Analyze the UltraViolet universE
https://arxiv.org/abs/2411.04164
π More interviews:
Nancy Grace Roman's Coronagraph https://youtu.be/HXZMRagv66M
Habitable Worlds Observatory's Coronagraph https://youtu.be/pk9dLIw3IEM
Searching for planets around red dwarf stars https://youtu.be/p8X_qrtxPm8
Plato mission https://youtu.be/TofP5yeqNLg
Gaia mission https://youtube.com/live/iHcLBZaC5x4
JWST & Quantum Telescopes https://youtu.be/eXchT7mtEao
00:00 Intro
02:05 UV astronomy
08:21 What is MAUVE
18:28 Science goals
26:16 Future instruments
35:35 Current obsessions
40:21 Bonus part
41:03 More interviews
πΊ VIDEO VERSION
https://youtu.be/QAopwSKpk2Y
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