Universe Today Podcast – Détails, épisodes et analyse
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See all- https://universetoday.com/newsletter
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- http://www.astronomycast.com/
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- https://universetoday.fireside.fm/
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[Space Bites+] Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu
vendredi 26 septembre 2025 • Durée 21:30
Should we destroy asteroid 2024 YR4 instead of letting it hit the moon? Why Hycean worlds probably don't exist. Liquid water once flowed on asteroid Ryugu. Space bytes+ a supermassive black hole that is breaking the Eddington limit.
Watch the video here (with no ads) or on YouTube: https://youtu.be/BdGH9jgSjkU
[Q&A] Landing on Venus, Neutron Stars Going Boom, Shape of the Oort Cloud
jeudi 25 septembre 2025 • Durée 18:33
Can neutron stars create an equivalent of Type 1a supernovae? Can you land on Venus without a parachute? How do we know the shape of the Oort cloud? And in Q&A+, what's going on with 3I/ATLAS' weird tail situation?
[Space Bites] 3I/ATLAS Is NOT Normal // JUICE Lost Contact // Mars' Lumpy Interior
vendredi 5 septembre 2025 • Durée 23:05
3I/ATLAS is very different from any comet we’ve ever seen before, Mars is filled with fragments from ancient impacts, ESA loses contact with JUICE right before an important flyby, and the highest resolution image of a solar flare ever seen. And on Space Bites+, why asteroid made of the same material can have different colors.
🔴 [Space Bites+] No ADS. BONUS Story. For FREE:
https://www.patreon.com/universetoday
👉 Vote for the best story here:
https://www.youtube.com/@frasercain/posts
00:00 Intro
00:25 3I/ATLAS is Weird
https://www.universetoday.com/articles/3iatlass-coma-is-largely-carbon-dioxide
02:51 Technosignatures of Interstellar Objects
https://www.universetoday.com/articles/what-technosignatures-would-interstellar-objects-have
06:52 Mars’ Lumpy Interior
https://www.nasa.gov/missions/insight/nasa-marsquake-data-reveals-lumpy-nature-of-red-planets-interior/
08:40 Plasma Waves In Jupiter’s Auroras
https://www.universetoday.com/articles/scientists-discover-unusual-plasma-waves-in-jupiters-aurora
10:15 ESA Restores Communication with JUICE
https://www.universetoday.com/articles/the-esa-restores-communications-with-juice-at-venus
12:25 Vote results
12:55 Supernova’s Heart
https://www.universetoday.com/articles/chandra-peers-into-a-supernovas-troubled-heart
15:38 Breathtaking Solar Flare
https://www.universetoday.com/articles/worlds-most-powerful-solar-telescope-captures-breathtaking-image-of-solar-flare
17:11 Cosmic Butterflies
https://www.universetoday.com/articles/the-butterfly-star-and-its-planet-forming-disk
https://www.universetoday.com/articles/cosmic-butterfly-unlocks-secrets-of-how-rocky-planets-form
18:59 Newsletter
19:55 Bonus story in [Space Bites+]
20:25 Media recommendations
📺 VIDEO VERSION
https://youtu.be/n4Uc5hnljRg
📰 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)
[Q&A] Nearby Rogue Planets, Beaming Power from Space, Solar Sail Propulsion
mardi 1 avril 2025 • Durée 21:44
Could there be rouge planets floating in space between us and Alpha Centauri system? Will the Chinese be beaming power from a space station to Earth? Will solar sails be used for propulsion in our lifetime? And in our free bonus question on Patreon, how Lagrange points work for different planets and moons? Answering all these questions and more in this Q&A.
Episode 392: QA 41: Will We Ever Clear That Space Junk? and more...
jeudi 11 janvier 2018 • Durée 22:14
In this week's questions show, Fraser wonders how we're ever going to clear all that space junk orbiting Earth, whether it's better to colonize Mars or Mercury, and can water worlds explain the Fermi Paradox?
Episode 391: 337 - Life Beneath the Ice
jeudi 4 janvier 2018 • Durée 11:16
Forget rocky worlds like Earth and Mars. New discoveries about icy worlds like Europa and Enceladus make them the ideal candidates for the search for life in the Universe. In fact there could be hundreds, or even thousands of times more worlds out there with ability to support life.
Episode 390: 336 - What Do We Do With Dead Spacecraft
mardi 2 janvier 2018 • Durée 11:29
We try to avoid thinking about it, but spacecraft are machines that break down and eventually fail. Some can last for years, others decades, but in the end they’ll be gone forever.
Episode 389: QA 40: When Will the Big Rip Happen and more...
mardi 19 décembre 2017 • Durée 22:06
In this QA episode, Fraser wonders when the Big Rip might happen, could there be binary galaxies, what it would be like to live in higher gravity.
Episode 388: 335 - Why Did Mars Lose Its Atmosphere?
vendredi 15 décembre 2017 • Durée 08:37
Mars is in the spotlight now, as both SpaceX and NASA are preparing their long range plans to send humans to the Red Planet. But Mars is an inhospitable environment, especially because of its tenuous and poisonous atmosphere of carbon dioxide.
Episode 387: 334 - Interstellar Asteroid
mardi 12 décembre 2017 • Durée 09:16
On October 25, 2017, astronomers from NASA’s Minor Planet Center sent out an announcement that they needed help confirming the trajectory of an interesting object.
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