

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

Oct 11, 2024 β’ 18min
[Space Bites] Enormous Space Structure // Asteroid Inspector Launched // Starship Flight 5 Date
A new spacecraft is going to look at the aftermath from the DART mission, the Milky Way is part of a much, much larger structure, an early galaxy thatβs similar to the Milky Way, and Starship test flight five could be just around the corner.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:16 Nancy Grace Roman tests
02:09 Hera mission launched
04:02 Milky Way part of a much larger structure
06:12 Earliest spiral galaxy
07:19 JWST looks at Charon
09:50 Vote results
10:29 Water on the Moon
12:44 Super compact triple star system
14:02 Starship Flight 5 coming soon
16:22 Guide to Space
πΊ VIDEO VERSION
https://youtu.be/LI7R-LM3Ifw
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
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π§ PODCASTS
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Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
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π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Oct 8, 2024 β’ 37min
[Q&A] Why No Missions to Mars' Poles? What Does X-37B Really Do? Why Continue With SLS?
How old is the Universe? Why do no missions go to Mars' ice poles? What does X-37B actually do? Why not abandon the SLS? Can Starship solve the problems Starlinks create? Answering all these questions and more in this week's Q&A.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:39 [Alaris] How old is the Universe?
08:12 [Ardena] Why do no missions go to Mars' ice poles
11:04 [Asuria] What's the distance limit of a black hole's influence?
13:37 [Belote] What does X-37B actually do?
16:06 [Belsa] Why not abandon the SLS?
21:37 [Cartego] Is the Universe infinite or finite?
23:49 [Chulak] What's going on with Europa clipper?
27:45 [Dakara] Can Starship solve the problems Starlinks create?
31:53 [Edora] How often does the Earth capture another moon?
πΊ VIDEO VERSION
https://youtu.be/ZUw7HvtRZfc
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
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π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Oct 3, 2024 β’ 16min
[Space Bites] ISS Leaks // Crew Dragon's Backup Plan // Planet at Barnard's Star
Planets at Bernardβs Star, Chinese lunar spacesuits, Voyager 2 Has to power down one of its instruments, and a comet seen from space.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:12 Planets found around the Barnard's star
02:13 Asymmetrical exoplanet
03:26 Crew Dragon's propulsive landing
04:29 Views from Polaris Dawn
05:11 China's new lunar spacesuits
06:25 ISS leaks. Again.
07:51 Vote results
08:26 Voyager-2 turns off one more instrument
10:10 Space balloon test
11:41 Black hole jet
13:07 Comet from space
πΊ VIDEO VERSION
https://youtu.be/BID90zOyZA4
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Oct 1, 2024 β’ 44min
[Q&A] New Voyagers, Disc Golf on Mars, Limits of Future Telescopes
What are the limits for the telescopes of the future? Can you play disk golf on Mars or the Moon? Will all galaxies eventually fade away? When will we launch Voyagers v2.0? Answering all these questions and more in this week's Q&A.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:27 [Alaris] What are the limits for future telescopes?
06:47 [Ardena] Can you play golf on Moon or Mars?
09:21 [Asuria] Why don't all rockets launch from the equator?
12:21 [Belote] Which telescopes should we be launching on Starship?
16:16 [Belsa] Will all galaxies eventually fade away?
19:01 [Cartego] Does Hawking radiation affect dark matter?
21:38 [Chulak] Will there be another Voyager mission?
24:55 [Dakara] Do we live forever?
28:12 [Edora] Have we seen Oort clouds of other solar systems?
30:54 [Goronak] Will earth resources be enough for SpaceX?
35:13 [Hadante] Will I cover theories that don't have a Big Bang origin?
πΊ VIDEO VERSION
https://youtu.be/5wnrAo_RmC8
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 27, 2024 β’ 17min
[Space Bites] Explanation for Potential Dyson Spheres // Starlink Pollution // Super Heavy Recovered
Those arenβt Dyson Spheres theyβre hotDOGs, the best gravitational lens in the Universe, new Starlinks are really bright in the radio, and SpaceX recovers its SuperHeavy.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:14 HotDOGs, Not Dyson Spheres
https://www.universetoday.com/168678/those-arent-dyson-spheres-theyre-hotdogs/
03:27 Best gravitational lens
https://www.universetoday.com/168672/this-might-be-the-best-gravitational-lens-ever-found/
04:44 Starlinks light pollution
https://www.universetoday.com/168658/second-generation-starlinks-are-32-times-brighter-in-radio-wavelengths/
07:07 SuperHeavy from a water grave
https://www.universetoday.com/168691/spacex-recovers-the-super-heavy-booster-from-flight-4/
08:08 Zebra rock on Mars
https://science.nasa.gov/blog/a-striped-surprise/
09:14 Vote results
09:53 Supernova and Earth life
https://www.universetoday.com/168687/how-a-nearby-supernova-left-its-mark-on-earth-life/
11:59 Two Chinese rocket hops
14:16 Guide to Space
14:35 Dyson sphere homework
πΊ VIDEO VERSION
https://youtu.be/2ipIUL64gLc
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 25, 2024 β’ 1h 1min
[Interview] What Happens If We Find Extraterrestrial Life?
Are we alone in the Universe? Probably, one of the most important questions one can ask. So, how are we currently trying to answer it and what happens when we finally do?
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
01:24 Searching for extraterrestrial life
19:35 Agnostic methods of searching for life
26:20 What happens if we find life
29:38 Life as we don't know it
34:36 Searching for interstellar life
46:38 Which method will give results first
50:46 What if we don't find life
55:05 Current obsessions
58:59 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/2_buH0GXFx8
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 24, 2024 β’ 45min
[Q&A] Throwing Tools from Orbit, Sun's Place in the Galaxy, Reusing Parts of ISS
What happens if astronauts throw stuff from orbit? Can we travel through a black hole? What is our Sun's place in the Milky Way? How can human spaceflight become profitable? Answering all these questions and more in this week's Q&A show.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:34 [Alaris] What is the place of our Sun in the Milky Way?
05:00 [Ardena] How to find communities that care about space?
09:34 [Asuria] What happens if an astronaut throws something towards Earth?
12:23 [Belote] How big is the void we live in?
15:20 [Belsa] Can you travel through a black hole to another Universe?
18:38 [Cartego] How is Mercury closer to Earth than Venus?
19:52 [Chulak] Did different arms of the Milky Way come from different mergers?
22:16 [Dakara] How would we see the farthest galaxies disappear?
25:15 [Edora] How can human space flight become profitable?
27:24 [Goronak] Which human-made thing will be first to get to another star?
32:16 [Hadante] What are my favourite telescopes?
34:23 [Hebridan] Could supermassive black holes be made of lost anti-matter?
37:39 [Jenev] Can we reuse parts of ISS?
πΊ VIDEO VERSION
https://youtu.be/LE-0sY1tEjg
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 20, 2024 β’ 19min
[Space Bites] The Rings of Earth // Servicing JWST at L2 // Mission to Neptune
Could we repair missions like JWST and Gaia? Polaris Dawn returns to Earth, did Earth once have rings? and a peanut-shaped asteroid just drifted past Earth.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:16 Repairing missions at L2
https://www.universetoday.com/168584/there-could-be-a-way-to-fix-spacecraft-at-l2-like-webb-and-gaia/
03:10 Polaris Dawn returns to Earth
https://polarisprogram.com/polaris-dawn-crew-returns-to-earth-achieving-major-objectives-during-their-five-day-mission/
05:22 Peanut-shaped asteroid flyby
https://www.universetoday.com/168616/nasa-watches-a-peanut-shaped-asteroid-drift-past-earth/
07:20 Earth might have had rings
https://www.universetoday.com/168579/earth-might-have-had-rings-half-a-billion-years-ago/
08:56 Earth's temporary moon
https://www.universetoday.com/168574/earth-will-have-a-tiny-new-mini-moon-for-a-few-months/
10:13 Vote results
10:54 Mission to Neptune
https://www.universetoday.com/168559/an-ambitious-mission-to-neptune-could-study-both-the-planet-and-triton/
13:22 Building a global light pollution map
https://gaia4sustainability.eu/gaia-4-sustainability/
14:35 Flying to Alpha Cen
https://www.universetoday.com/168534/new-video-shows-how-tiny-spacecraft-will-swarm-proxima-centauri/
16:19 More space news
16:58 Getting involved in science
πΊ VIDEO VERSION
https://youtu.be/hm44Blv5Y0k
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 18, 2024 β’ 59min
[Interview] Can AI Destroy the World And How Can We Prevent It
This is an unusual interview for my channel. It's mostly about AI, our current developments and the threats it poses to us.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
01:51 Arrival of LLMs
06:30 Alignment of AI
17:35 Existential dangers
18:58 The Pause AI movement
23:47 Safety
32:42 Wake-up calls and red lines
39:12 Possible response
41:43 AI as part of evolution
44:25 Simulation hypothesis and the Fermi Paradox
49:52 How to get involved
51:48 Current obsessions
57:19 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/A4M3Q_P2xP4
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Sep 17, 2024 β’ 47min
[Q&A] Gravity Assist Speed Limit, Double Gravitational Lenses, Phones in Space
What's the maximum speed you can get from a gravity assist? Can we have a double gravitational lens? What do you need to do to a phone to sent it to space? Answering all these questions and more in this week's Q&A show.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:25 [Alaris] Can phones survive in space?
06:10 [Ardena] Asteroid vs meteorite
07:27 [Asuria] What happened to Orion, Meade, and Coronado telescope companies?
09:51 [Belote] Can we learn something about a supernova that the Sun was created from?
13:35 [Belsa] Can there be double gravitational lenses?
15:16 [Cartego] Favourite thing to observe visually?
17:41 [Chulak] Can we make a 2 AU interferometer?
21:21 [Dakara] Why are black holes different in size and mass?
24:20 [Edora] What does Starliner's return mean?
27:31 [Goronak] Thoughts on Starlink polluting the sky?
32:34 [Hadante] Are public funds on space wasteful?
36:30 [Hebridan] Can NASA vs China space race boost exploration?
40:11 [Jenev] What is the speed limit that can be achieved by sling-shot around planets?
πΊ VIDEO VERSION
https://youtu.be/hSrp6VHjHbo
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast