

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

Dec 9, 2024 • 49min
[Interview] How Black Widow Pulsars Can Be A Sign of Star-Eating Aliens
Black Widow pulsars consume their partners. But if there were advanced alien species, it could be a perfect way to produce energy and move the stars around. They could also use pulsars as a global galactic navigation system. How exactly could they achieve it? Finding out in this interview.
🦄 Get the extra part for free here:
patreon.com/universetoday
🟣 Guest: Dr. Clément Vidal
https://www.clemvidal.com/
📜 The Spider Stellar Engine: a Fully Steerable Extraterrestrial Design?
https://arxiv.org/abs/2411.05038
📜 Pulsar Positioning System: A quest for evidence of extraterrestrial engineering
https://arxiv.org/abs/1704.03316
00:00 Intro
01:33 Stellarvore
07:48 Moving stars around
17:57 Technosignatures
25:17 Pulsar galactic navigation system
29:44 Messaging system
39:43 Noosphere
43:48 Bonus part
44:08 Current obsessions
46:43 Final thoughts
📺 VIDEO VERSION
https://youtu.be/Bebhbe0DOrU
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Dec 6, 2024 • 20min
[Space Bites] Trump's New NASA Administrator // Artemis Delayed Again // No Oceans in Venus' Past
Trump announces his choice for the new NASA administrator, we’ve got a new date for Artemis III, Venus might have never had liquid oceans, and finding habitable planets around white dwarf stars.
🦄 Support us on Patreon:
https://patreon.com/universetoday
🎁 Gift Universe Today Patreon membership:
https://www.patreon.com/universetoday/gift
00:00 Intro
00:15 NASA's New Administrator
02:08 Delays for Artemis 2 and 3
05:09 More evidence for gravitational waves background
07:35 Venus' past
09:38 Potential habitable planets around white dwarfs
12:26 Vote results
12:51 Vera Rubin and interstellar visitors
14:18 Moon rescue mission
15:55 Galaxy cluster coming together
17:45 Jupiter at opposition
18:57 Gift for space enthusiasts
📺 VIDEO VERSION
https://youtu.be/9CN1Ymyrhyo
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Dec 5, 2024 • 19min
[Q&A] JWST in Different Spectra, Milky Way Losing Stars, Mystery of the Sun's Corona
Does building more JWSTs for different parts of the spectrum make sense? Are star types predetermined at their birth? Can you cook a pizza on the Sun? Why is the Sun's corona hotter than its surface? Are there binary supermassive black holes? Answering all these questions and more in this Q&A show.
🦄 More Q&A in the Overtime Audio:
https://patreon.com/universetoday
00:00 Start
00:25 Does it make sense to have JWST in a different spectrum?
04:07 Are star types determined at their birth?
07:50 Thoughts about the flat Earth?
09:57 Can we see the light from the Big Bang?
11:54 Are there binary supermassive black holes?
13:59 What would a pizza cooked directly on the Sun taste like?
15:17 Why is the corona of the Sun hotter that its surface?
📺 VIDEO VERSION
https://youtu.be/-X8CiIxfDl0
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Dec 3, 2024 • 25min
[Q&A] Funding New Space Stations, Pollution from Rocket Launches, Best Place for Space Factory | Q&A 276
Who will pay for the next-generation space stations that follow the ISS? How much do rockets pollute? Did James Webb make the observable Universe bigger? Answering all these questions and more in this Q&A show.
🦄 More Q&A in the Overtime Audio:
https://patreon.com/universetoday
00:00 Start
00:26 Best place for a space factory?
05:21 Can stars and planets escape the Milky Way?
08:02 Did JWST make the observable universe bigger?
09:58 Do rockets pollute a lot?
13:36 Does it make sense to build a new space station?
17:32 What came before the big bang?
📺 VIDEO VERSION
https://youtu.be/4fhMZNuKpno
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Nov 29, 2024 • 16min
[Space Bites] What's Inside Uranus // Dragonfly Launch Secured // Best JWST Image of 2024
Discover NASA's thrilling Dragonfly mission, which sets its sights on Titan using a Falcon Heavy. Dive into the mysteries lurking inside Uranus and the newly launched Europa Clipper, equipped to explore icy worlds. Uncover the peculiar case of a Russian cargo ship that left astronauts wrinkling their noses in space. Plus, marvel at stunning new images of the Sombrero Galaxy captured by the JWST. And don’t miss news about a recently discovered young exoplanet with an intriguing history!

Nov 28, 2024 • 22min
[Q&A] Fuel for Comet Tails, Detecting a Voyager's Crash, Driving Into Lava Tubes
Why don't comets run out of "tail fuel"? If Voyager crashes into something, can we tell it apart from a regular failure? What are the chances we will drive into a lava tube? Will satellite communication become dominant at some point? Answering all these and more in this Q&A show.
🦄 More Q&A in the Overtime Audio:
https://www.patreon.com/posts/overtime-audio-q-116788920
00:00 Start
00:37 How can comets leave tails for thousands of years without running out?
02:57 Can we detect a hit to a Voyager?
04:20 How possible would it be to drive into a lava tube on the moon?
05:44 More Space Bites from website authors?
09:52 Does Moon getting farther away impact tides on Earth?
11:34 Will satellite communications overtake traditional on-ground ones?
16:01 Can we protect a Moon colony with an artificial magnetic field?
📺 VIDEO VERSION
https://youtu.be/FwLo1h8l5Oc
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Nov 27, 2024 • 37min
[Interview] First Ever Steam World Found by JWST
James Webb recently detected a new kind of exoplanet. It's a steam world. How did they find it and what does it mean for the future of exoplanet search? Finding out in this interview.
🦄 Get the extra part for free here:
pattern.com/universetoday
🟣 Guest: Eshan Raul
📜 JWST/NIRISS Reveals the Water-rich "Steam World" Atmosphere of GJ 9827 d
https://iopscience.iop.org/article/10.3847/2041-8213/ad6f00
00:00 Intro
01:47 The Steam World
10:49 Steam worlds VS Hycean worlds
14:38 Exoplanet research with JWST
17:04 Questions from Patrons
23:33 Where can we find more of them?
30:09 Bonus part
30:46 Current obsessions
📺 VIDEO VERSION
https://youtu.be/DvEQDv4yg0c
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Nov 27, 2024 • 36min
[Interview] Where Did The Mysterious JUMBOs in The Orion Nebula Come From?
JUMBOs, Jupiter Mass Binary Objects. Over 500 of them were detected in the Orion Nebula by JWST. But where did they come from? How did they form and why are they in binary pairs? My guest has a good guess about it.
🦄 Support us on Patreon:
https://patreon.com/universetoday
🟣 Guest: Jessica Diamond
📜Formation of Jupiter-Mass Binary Objects through photoerosion of fragmenting cores
https://arxiv.org/pdf/2410.09159
00:00 Intro
01:34 JUMBOs
14:02 Photoerosion
24:57 Questions from Patreon community
31:26 Side track
34:30 Final thoughts
📺 VIDEO VERSION
https://youtu.be/74ORN6ap1FU
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Nov 27, 2024 • 22min
[Q&A] Funding Space Stations After ISS, Gravity Tractor Experiment, Digital Adaptive Optics
Where will the money come from for the next generation of space stations? Does NASA have plans for a gravity tractor experiment for the Apophis flyby? Which part of the Milky Way can we see? Can there be different types of black holes? Answering all these and more in this Q&A show.
🦄 More Q&A in the Overtime Audio:
https://patreon.com/universetoday
00:00 Start
00:37 Which part of the Milky Way can we see?
02:41 Will space stations be economically viable?
05:50 Are there different types of black holes?
06:58 Can you un-distort images instead of using adaptive optics?
11:53 How do we know that far away objects are still there?
13:12 Does NASA have plans for a gravity tractor experiment?
15:58 Best time to watch auroras in Alaska?
18:11 How does light from far away get to us?
📺 VIDEO VERSION
https://youtu.be/sBAAoJwEaY8
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast

Nov 24, 2024 • 1h 58min
[Bonus] Cosmology, AI Doom, and the Future of Humanity
I just wrapped up an interesting conversation over at DoomDebates talking about the future of artificial intelligence, the Fermi Paradox, Great Filter, Grabby Aliens and more. Check it out and subscribe to the channel.
🦄 Support us on Patreon:
https://patreon.com/universetoday
📺 VIDEO VERSION
https://www.youtube.com/watch?v=1u07Q7WUVWo
📰 GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast