Universe Today Podcast
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Universe Today Podcast

par Fraser Cain

Nouveau[Space Bites+] "Impossible" Green Stars Might Actually Exist23 octobre 2026 · 28 min
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1 628
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Dernier épisode
23 Oct 2026
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Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.

Épisodes 1 628

  1. [Space Bites+] "Impossible" Green Stars Might Actually Exist

    28 min

    BONUS QUESTION STARTS AT 20:35Watch here (with no ads) or on YouTube: https://youtu.be/B9P_8oZ4rCAThe Japanese mission is off to Phobos. Actually, there are green stars. Explaining the most mysterious cloud on …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 20:35

    Watch here (with no ads) or on YouTube: https://youtu.be/B9P_8oZ4rCA

    The Japanese mission is off to Phobos. Actually, there are green stars. Explaining the most mysterious cloud on Mars. Euclid discovers a comet. And in Space Bites+, how the shrinking Moon could be a danger for astronauts.

  2. [Q&A+] Was the UN-Observable Universe Always UN-Reachable?

    20 min

    BONUS QUESTION STARTS AT 14:54Watch the video here (with no ads) or on YouTube: https://youtu.be/a0t-G4LKiMUWhat does "the present" mean in space? Why do we have the laws of Physics we have? Was there a rime …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 14:54

    Watch the video here (with no ads) or on YouTube: https://youtu.be/a0t-G4LKiMU

    What does "the present" mean in space? Why do we have the laws of Physics we have? Was there a rime when all the Universe was accessible? And in Q&A+, are all black holes perfect spheres?

    • 00:00 Intro

    • 00:25 [@idodekkers9165] Was there a time when all the universe was visible?

    • 06:02 [@madmillion91920110] Does the 'present' actually mean anything a cosmic scale?

    • 09:42 [@LDEKSOCH] Why these particular laws of physics?

    • 14:54 [@georgegherghinescu] Do event horizons of fast rotating black holes have a flattened sphere shape?

    • 17:43 Final thoughts

  3. [Interview+] Going Beyond Hubble and Roman to Find Planets With Atmospheres

    37 min

    BONUS PART STARST AT 21:45Watch here (with no ads) or on YouTube: https://youtu.be/sx-qjgeslfQA new mission that was just proposed to NASA is an extreme UV telescope that will observe hundreds of stars to find …

    Notes de l’épisode

    BONUS PART STARST AT 21:45

    Watch here (with no ads) or on YouTube: https://youtu.be/sx-qjgeslfQ

    A new mission that was just proposed to NASA is an extreme UV telescope that will observe hundreds of stars to find the conditions for planets with atmospheres. How exactly will it work? Finding out in this interview.

    Interview with Lee Feinberg about the HWO https://youtu.be/0R3ykUkxH5M?si=DhJxA32PyHr3ypUh

    Huge interview about TRAPPIST-1 system https://youtu.be/B8H4EnbKkgU?si=_mGhpuR5w2G0bCtX

    🟣 Guest: Dr. Allison Youngblood https://science.gsfc.nasa.gov/sci/bio/allison.a.youngblood

    📜 ESCAPE: a small explorer mission to study the stellar drivers of exoplanet evolution https://arxiv.org/pdf/2608.00683

    • 00:00 Intro

    • 02:19 M-dwarf stars and their planets

    • 07:10 ESCAPE mission

    • 17:27 Next steps

    • 21:45 TESS

    • 30:40 Current obsessions

    • 35:46 Final thoughts

  4. [Q&A+] Why Are There No Binary Planets?

    22 min

    BONUS QUESTION STARTS AT 15:22Watch the video here (with no ads) or on YouTube: https://youtu.be/MhJFyC_vdtkWhy are there no binary planets? Should you buy into dark energy and dark matter? What apps are best …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 15:22

    Watch the video here (with no ads) or on YouTube: https://youtu.be/MhJFyC_vdtk

    Why are there no binary planets? Should you buy into dark energy and dark matter? What apps are best for stargazing? And in Q&A+, why don't NASA just bring put wipers on Mars solar panels?

    • 00:00 Intro

    • 00:25 [@EdSceptic-y2e] Why are there no binary planets?

    • 02:39 [@andrewczski1969] Do you buy into dark matter?

    • 08:46 [@alcalbg] Does total dark energy increase as space expands?

    • 10:11 [@Noonyuh] What are your favorite apps or sites for real-time maps of the sky?

    • 15:22 [@andrewczski1969] just couldn't send along swiffers, huh?

    • 20:00 Final thoughts

  5. [Space Bites+] Turns Out, Hypernovae Might Not Exist At All

    20 min

    BONUS STORY STARTS AT 14:37Watch here (with no ads) or on YouTube: https://youtu.be/Qpthhx9svK8 Do hypernovae actually exist? The science is in from the Artemis 2 mission. A second generation planet found …

    Notes de l’épisode

    BONUS STORY STARTS AT 14:37

    Watch here (with no ads) or on YouTube: https://youtu.be/Qpthhx9svK8

    Do hypernovae actually exist? The science is in from the Artemis 2 mission. A second generation planet found around a white dwarf. Starship 40 finally makes it home. And Space Bites Plus, a red dwarf feasting on a brown dwarf.

    🔵 Vote for the best story here: https://www.youtube.com/@frasercain/posts

  6. [Q&A+] Should We Still Be Worried About The Apophis Asteroid?

    22 min

    BONUS QUESTION STARTS AT 14:25Watch the video here (with no ads) or on YouTube: https://youtu.be/99euKNYNKIEAre interferometers the future of telescopes? Can we aim at stars by knowing only where they were …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 14:25

    Watch the video here (with no ads) or on YouTube: https://youtu.be/99euKNYNKIE

    Are interferometers the future of telescopes? Can we aim at stars by knowing only where they were billions of years ago? Is the Apophis asteroid still dangerous? And in Q&A+, can we just sent the SG-1 to it?

    • 00:00 Intro

    • 00:37 [@PerryM-vy4fe] Are Interferometers the future of space telescopes?

    • 03:36 [@Frosty.Winnipeg] If we can see stars a billion light years away can we guesstimate where they are now?

    • 05:29 [@PeterYannick] Where do we have to aim a laser if we want to sent a message to Alpha Centauri?

    • 07:19 [@andrewczski1969] Apophis in 2029 can shut the WHOLE show down, no?

    • 12:43 [@kairon156] Are there any plans on getting rock samples from Mar's moons?

    • 14:25 [@Frosty.Winnipeg] Can’t we just send SG-1 to face Apophis?

    • 18:20 Final thoughts

  7. [Q&A+] Why Won't NASA Just Buy Falcon 9 from SpaceX?

    19 min

    BONUS QUESTION STARTS AT 14:14Watch the video here (with no ads) or on YouTube: https://youtu.be/bmthiCOpbMQIf SpaceX no longer want Falcon 9 and Crew Dragon, why won't NASA just buy them for themselves? What …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 14:14

    Watch the video here (with no ads) or on YouTube: https://youtu.be/bmthiCOpbMQ

    If SpaceX no longer want Falcon 9 and Crew Dragon, why won't NASA just buy them for themselves? What would a perfect space station look like? What is being done to improve the deep space network? And in Q&A+, finally, a Lagrange Point question.

    • 00:00 Intro

    • 00:27 [@kairon156] What would a perfect space station look like?

    • 08:13 [@endigo2007] Can NASA buy the remaining Falcon 9's and operate them to send Dragon to ISS?

    • 10:57 [@musicover5] Is there work being done to increase the bandwidth of the deep space network?

    • 14:14 [@jamessobek196] Does the Moon jiggle L2 Lagrange points?

    • 18:04 Final thoughts

  8. [Space Bites+] Finally, A NASA Mission To Explore Lava Tubes

    24 min

    BONUS STORY STARTS AT 17:14Watch here (with no ads) or on YouTube: https://youtu.be/S7Vbh0p5VfcTeam Human https://www.teamhuman.org/A Moon lava tube mission. Remnants of the Moon’s magnetosphere. Where are the …

    Notes de l’épisode

    BONUS STORY STARTS AT 17:14

    Watch here (with no ads) or on YouTube: https://youtu.be/S7Vbh0p5Vfc

    Team Human https://www.teamhuman.org/

    A Moon lava tube mission. Remnants of the Moon’s magnetosphere. Where are the wondering supermassive black holes. And on Space Bites+, why Mars’ ice caps are mostly dust free.

  9. [Q&A+] How Realistic Are Mars Colonizations Plans?

    22 min

    BONUS QUESTION STARTS AT 17:42Watch the video here (with no ads) or on YouTube: https://youtu.be/B_h8kKdiHe8Why do star shades look like flowers? Is Mars colonization just a Ponzi Scheme? Why would it be worth …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 17:42

    Watch the video here (with no ads) or on YouTube: https://youtu.be/B_h8kKdiHe8

    Why do star shades look like flowers? Is Mars colonization just a Ponzi Scheme? Why would it be worth doing? And on Q&A+, should you scream into the void?

    • 00:00 Intro

    • 00:23 [@silasmiller4417] Why are renders of orbital star shades shaped like flower pedals?

    • 05:37 [@illyakuryakin5024] Anyone notice no one is talking about the Ponzi scheme called "Mars Colonization" anymore?

    • 12:13 [@illyakuryakin5024] why would it be so "amazing"?

    • 17:42 [@Alienalloy] If I scream in the vacuum of space have I gone beyond compony health and safety procedures so already a lost cause?

    • 20:20 Final thoughts

  10. [Interview+] Two Football Fields of Solar Sail in One Rocket | NIAC 2026

    47 min

    BONUS PART STARTS AT 25:44Watch here (with no ads) or on YouTube https://youtu.be/B8xbSUstIhA🟣 Guest: Dr. Artur Davoyan https://samueli.ucla.edu/people/artur-davoyan/ Solar sails are great. It's a propulsion …

    Notes de l’épisode

    BONUS PART STARTS AT 25:44

    Watch here (with no ads) or on YouTube https://youtu.be/B8xbSUstIhA

    🟣 Guest: Dr. Artur Davoyan https://samueli.ucla.edu/people/artur-davoyan/

    Solar sails are great. It's a propulsion method that doesn't require carrying fuel. But the need to be really big to be efficient. How do you fold them on Earth and unfold in space? What's a reliable way to do that? NASA recently awarded a NIAC grant specifically for that.

    📜 Coilable Stacked Solar Sails for Very High delta-V Missions https://www.nasa.gov/directorates/stmd/niac/niac-studies/coilable-stacked-solar-sails-for-very-high-delta-v-missions/

    👉 All 2026 NIAC Selections https://www.nasa.gov/directorates/stmd/niac/niac-studies/niac-2026-selections/

    • 00:00 Intro

    • 01:31 Solar sail as a propulsion method

    • 25:44 Alternative propulsion methods

    • 38:38 Current obsessions

    • 44:54 Final thoughts

  11. [Q&A+] What’s The Best Way To Go Under The Ice of Europa?

    19 min

    BONUS QUESTION STARTS AT 14:37Watch the video here (with no ads) or on YouTube: https://youtu.be/eLHeqk2Yh1QHow bright is space? What's the best way to go under the ice on Europa? Are there new gravitational …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 14:37

    Watch the video here (with no ads) or on YouTube: https://youtu.be/eLHeqk2Yh1Q

    How bright is space? What's the best way to go under the ice on Europa? Are there new gravitational wave detectors in the works? And on Q&A+, have we actually seen black holes grow?

    • 00:00 Intro

    • 00:23 [@Noxelius] What's the best way to get under the ice of Europe or Enceladus?

    • 01:46 [@jvan120] how bright is it in space?

    • 05:16 [@luiscarneiro4123] How can we make governments invest more money in space?

    • 09:11 [@rJaune] Are there any plans to make new Gravitational Wave detectors?

    • 12:27 [@AproposOfWetSnow] What if Pluto got into Mercury's orbit?

    • 14:37 [@GeraldBlakefield] Have we actually seen black holes grow?

    • 17:39 Final thoughts

  12. [Space Bites+] This Telescope Will Do What JWST and Roman Can't

    21 min

    BONUS STORY STARTS AT 15:56Watch here (with no ads) or on YouTube: https://youtu.be/y9Iknlzbn5sNASA is working on a new far-infrared space telescope, Starship finally makes it to orbit, a nuclear reactor for …

    Notes de l’épisode

    BONUS STORY STARTS AT 15:56

    Watch here (with no ads) or on YouTube: https://youtu.be/y9Iknlzbn5s

    NASA is working on a new far-infrared space telescope, Starship finally makes it to orbit, a nuclear reactor for the Moon, and an exoplanet orbiting backwards. On Space Bites plus, a galaxy with a disconnected center.

  13. [Q&A+] What Does The Milky Way Orbit?

    21 min

    BONUS QUESTION STARTS AT 15:23Watch the video here (with no ads) or on YouTube: https://youtu.be/BWKrIT28Uk0We orbit the Sun, Sun orbits the center of the Milky Way, but what does the Milky Way orbit? Can we …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 15:23

    Watch the video here (with no ads) or on YouTube: https://youtu.be/BWKrIT28Uk0

    We orbit the Sun, Sun orbits the center of the Milky Way, but what does the Milky Way orbit? Can we still catch up with Oumuamua? Is the Big Crunch a ruled-out theory? And in Q&A+, have we seen a phenomenon we can't yet explain?

    • 00:00 Intro

    • 00:26 [@jonathanchamberlain6260] What does the Milky Way orbit?

    • 04:21 [@paulwilson1529] Could we still catch up with Oumuamua?

    • 08:28 [@bakkos_bakkos] Is The Big Crunch a ruled out theory?

    • 13:35 [@kamleshpatel6817] Why can't gravitational waves travel faster than light?

    • 15:23 [@paigepotter4682] Is there an astronomical phenomenon where you think we’ve probably seen the evidence already, but haven’t realized what we’re looking at yet?

    • 18:51 Final thoughts

  14. [Interview+] How Good Was Our Search for Extraterrestrial Life, Really?

    59 min

    BONUS PART STARTS AT 43:25Watch here (with no ads) or on YouTube: https://youtu.be/izP3FsO9u8oPBS Spacetime video: https://www.youtube.com/watch?v=4OM0zTfdsPo Professor David Kipping's channel: @CoolWorldsLab …

    Notes de l’épisode

    BONUS PART STARTS AT 43:25

    Watch here (with no ads) or on YouTube: https://youtu.be/izP3FsO9u8o

    PBS Spacetime video: https://www.youtube.com/watch?v=4OM0zTfdsPo
    Professor David Kipping's channel: @CoolWorldsLab

    We've done a lot of searching for extraterrestrial life over the years. But how good was it? Did we look hard enough or deep enough? Is it too early for conclusions? Could do a better job? If so, how? Figuring out in this interview.

    🟣 Guest: Dr. Ben Zuckerman

    📜 Broadband Searches for Extraterrestrial Technological Intelligence: a New Strategy To Find Nearby Alien Civilizations https://arxiv.org/abs/2603.07333

    • 00:00 Intro

    • 01:36 SETI

    • 05:07 How deep did we look

    • 24:12 What could we have done differently

    • 36:57 Most satisfying answer to the Fermi Paradox

    • 43:25 BONUS PART: pollution of white dwarfs

    • 53:01 Current obsessions

    • 57:14 Final thoughts

  15. [Q&A+] We Were Promised A Firehose of Results From Vera Rubin. Where Are They?

    22 min

    BONUS QUESTION STARTS AT 13:56Watch the video here (with no ads) or on YouTube: https://youtu.be/cdHAMQf1FnkWhen will we see the surfaces of exoplanets? What non-western telescopes should we expect? Where are …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 13:56

    Watch the video here (with no ads) or on YouTube: https://youtu.be/cdHAMQf1Fnk

    When will we see the surfaces of exoplanets? What non-western telescopes should we expect? Where are all the big promised results from Vera Rubin? And in Q&A+, how to get in space journalism and is it worth it now?

    • 00:00 Intro

    • 00:33 [@theindianking3000] Will Roman see exoplanets better than JWST?

    • 03:13 [@fwd79] Which non-western space telescopes are coming?

    • 05:55 [@paulwilson1529] How packed is the asteroid belt?

    • 07:35 [@GadZookz] Are there any calories on the Moon or Mars?

    • 10:26 [@rilanfelnar2698] Results from Vera Rubin. When?

    • 13:56 [@absolute-doink] Any advice for someone interested in space journalism?

    • 20:31 Final thoughts

  16. [Space Bites+] Turns Out, Superflares Are Quite Possible for Our Sun

    21 min

    BONUS STORY STARTS AT 15:59 Watch here (with no ads) or on YouTube: https://youtu.be/pkZ5tjeeiS000:00 Intro 00:33 Superflares are on the table https://www.universetoday.com/articles/the-sun-is-physically-capable …

    Notes de l’épisode

    BONUS STORY STARTS AT 15:59

    Watch here (with no ads) or on YouTube: https://youtu.be/pkZ5tjeeiS0

  17. [Q&A+] What Happened At the Very Beginning?

    21 min

    BONUS QUESTION STARTS AT 15:04Watch the video here (with no ads) or on YouTube: https://youtu.be/XukdOeLfIgQWhat does matter and antimatter annihilate into? How do we know what happened before the CMB? Is outer …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 15:04

    Watch the video here (with no ads) or on YouTube: https://youtu.be/XukdOeLfIgQ

    What does matter and antimatter annihilate into? How do we know what happened before the CMB? Is outer space dirty? And in Q&A+, initial thoughts about Seestar S50 pro.

    • 00:00 Intro

    • 00:48 [@SirIke49] What do matter and antimatter annihilate into?

    • 05:00 [@nitstyles13] How do we know what happened before the CMB?

    • 12:36 [@Wackyg6] Question from a 6 yr old. Is outer space dirty?

    • 15:04 [@HavoJavo] Thoughts on the Seestar s50 pro

    • 17:42 Final thoughts

  18. [Interview+] A Far Side of The Moon Radio Telescope May Happen Sooner Than You Think

    48 min

    BONUS PART STARTS AT 31:55 Watch here (with no ads) or on YouTube: https://youtu.be/OVcy19IcuIg🟣 Guest: Dr. Dave Deboer 📜 The Lunar Farside Transients and Technology Telescope (LFT3) Mission …

    Notes de l’épisode

    BONUS PART STARTS AT 31:55

    Watch here (with no ads) or on YouTube: https://youtu.be/OVcy19IcuIg

    🟣 Guest: Dr. Dave Deboer

    📜 The Lunar Farside Transients and Technology Telescope (LFT3) Mission https://arxiv.org/pdf/2607.25762

    https://lft3.space/

    A radio telescope on the far side of the Moon should become a reality very soon. How will it operate? What science will it do? Who and how will deliver it? Finding out in this interview.

    • 00:00 Intro

    • 01:59 Why the far side of the Moon?

    • 08:01 Possible science

    • 20:47 The potential survey

    • 23:20 Getting to the Moon

    • 31:55 Epoch of reionization

    • 43:27 Current obsessions

    • 46:03 Final thoughts

  19. [Q&A+] How Feasible Is A Starship-Based Space Station?

    23 min

    BONUS QUESTION STARTS AT 17:28Watch the video here (with no ads) or on YouTube: https://youtu.be/6utGiIvm2LEIs combining multiple space telescopes the way to go? Can we detect ice-shell exoplanets? How feasible …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 17:28

    Watch the video here (with no ads) or on YouTube: https://youtu.be/6utGiIvm2LE

    Is combining multiple space telescopes the way to go? Can we detect ice-shell exoplanets? How feasible would a Starship space base be? And in Q&A+, why didn't CMB go past us?

    • 00:00 Intro

    • 00:39 [@estraume] Space telescopes flying in formation

    • 08:53 [@goatlord51] Do we have anything that can detect ice shell exo-planets?

    • 14:26 [@kipnielsen8752] How feasible would a starship space station be?

    • 17:28 [@zephyr9673] Why didn't CMB go past us?

    • 19:59 Final thoughts

  20. [Space Bites+] Moon Cities Are Not Happening. Here's Why

    20 min

    BONUS PART START AT 15:19Watch here (with no ads) or on YouTube: https://youtu.be/hCgllDUvjMkInterview with Martin Elvis about the Moon: https://youtu.be/CvFMw-kXIzs Astronomy Cast video …

    Notes de l’épisode

    BONUS PART START AT 15:19

    Watch here (with no ads) or on YouTube: https://youtu.be/hCgllDUvjMk

    Interview with Martin Elvis about the Moon: https://youtu.be/CvFMw-kXIzs
    Astronomy Cast video: https://www.youtube.com/watch?v=ZZdAB_hwPeA

    Maybe we won’t be living on cities on the Moon. A fresh new crater on the Moon, and it’s a biggie. Roman perfect launch adds years to its mission. Did the Sun eat a planet? And in Space Bites+, Mercury is shrinking faster than we thought.

  21. [Q&A+] Why Didn't NASA Just Build Another Kepler When It Failed?

    16 min

    BONUS QUESTION STARTS AT 09:07Watch the video here (with no ads) or on YouTube: https://youtu.be/koZUXaCXpYAWhen Kepler failed, why didn't we just build another one? Do we know about all the potentially …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 09:07

    Watch the video here (with no ads) or on YouTube: https://youtu.be/koZUXaCXpYA

    When Kepler failed, why didn't we just build another one? Do we know about all the potentially dangerous asteroids? Could one just come out of nowhere? And in Q&A+, which planets are more difficult to visit (the answer will surprise you)?

    • 00:00 Intro

    • 00:22 [@paulcockerill4260] Why didn't NASA build another Kepler?

    • 05:16 [@SeanMann-o6v] Are the near earth asteroids all known?

    • 09:07 [@davew1959] Which planets are easier to visit?

    • 13:49 Final thoughts

  22. [Interview+] This Crazy Robot Could Explore the CAVES of Titan | NIAC 2026

    49 min

    BONUS PART STARTS AT 32:27Watch here (with no ads) or on YouTube: https://youtu.be/6h5It3GnTGITitan Dragonfly is one of the most exciting missions in development. But it'll have its limits. For example, it …

    Notes de l’épisode

    BONUS PART STARTS AT 32:27

    Watch here (with no ads) or on YouTube: https://youtu.be/6h5It3GnTGI

    Titan Dragonfly is one of the most exciting missions in development. But it'll have its limits. For example, it won't go into caves on Titan. Which are super interesting. But this NIAC project will study a robot that should be able to go there.

    🟣 Guest: Dr. Daniel Drew https://danieldrew.me/

    📜 Solid-state Propulsion for Autonomous Reconnaissance of Karst (SPARK) https://www.nasa.gov/directorates/stmd/niac/niac-studies/solid-state-propulsion-for-autonomous-reconnaissance-of-karst-spark/

    👉 All 2026 NIAC Selections https://www.nasa.gov/directorates/stmd/niac/niac-studies/niac-2026-selections/

    • 00:00 Intro

    • 01:31 What is karst

    • 05:59 The NIAC project

    • 23:28 Alternative use cases

    • 27:48 Earth-based version

    • 32:27 Using robots in Hawaii

    • 39:15 Current obsessions

    • 46:36 Final thoughts

  23. [Q&A+] Can You Put An Consumer-Grade Telescope In Space?

    20 min

    BONUS QUESTION STARTS AT 15:01Watch the video here (with no ads) or on YouTube: https://youtu.be/UjOkLC6N9cYCan someone launch a regular small telescope into space? Are Moon caves stable enough for a permanent …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 15:01

    Watch the video here (with no ads) or on YouTube: https://youtu.be/UjOkLC6N9cY

    Can someone launch a regular small telescope into space? Are Moon caves stable enough for a permanent base? What happened to the Swift rescue mission? And in Q&A+, was the asteroid belt a planet at some point?

    • 00:00 Intro

    • 00:41 [@Noonyuh] Could affordable consumer smart telescopes be easily retrofitted to survive in space?

    • 05:06 [@user-kx2fc2mw5v] Are Moon caves stable enough to build in them?

    • 08:47 [@surrender_monkey] What happened to the Swift rescue mission?

    • 15:01 [@EdSceptic-y2e] Is the asteroid belt a destroyed planet or is it forming into a planet or neither?

    • 18:15 Final thoughts

  24. [Space Bites+] This Supernova Candidate Turned Out To Be Something Completely Different

    20 min

    BONUS STORY STARTS AT 16:05Watch here (with no ads) or on YouTube: https://youtu.be/fA75k6U2HYgIs this a supernova ready to explode, or is it just a trick of the light. A mission to Halley’s Comet in 2060. An …

    Notes de l’épisode

    BONUS STORY STARTS AT 16:05

    Watch here (with no ads) or on YouTube: https://youtu.be/fA75k6U2HYg

    Is this a supernova ready to explode, or is it just a trick of the light. A mission to Halley’s Comet in 2060. An amazing new image from Vera Rubin. Webb fails to find an exomoon. And in Space Bites Plus, some black holes formed much faster than their galaxies. All this and more in this week’s Space Bites.

  25. [Q&A+] Did China Really Steal the Falcon 9 Design?

    20 min

    BONUS QUESTION STARTS AT 13:32Watch the video here (with no ads) or on YouTube: https://youtu.be/tdTe2acoWKcShould SpaceX be concerned about China's reusable rocket designs? Have we ever found meteorites coming …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 13:32

    Watch the video here (with no ads) or on YouTube: https://youtu.be/tdTe2acoWKc

    Should SpaceX be concerned about China's reusable rocket designs? Have we ever found meteorites coming from Mercury? Why is it called the speed of light, not the speed of gravity? And in Q&A+, when should we start building a Monolith?

    • 00:00 Intro

    • 00:26 [@rwarren58] What would it take to image the surface of a planet at Proxima Centauri?

    • 03:07 [@churchdiscography] Does SpaceX mind that China basically duplicated the Falcon 9 design for a reusable rocket?

    • 07:54 [@paigepotter4682] Have we ever found anything from Mercury on Earth like we have from the Moon and Mars?

    • 09:33 [@Mefodon] Why is the speed of light not called the speed of gravity?

    • 13:32 [@geohondo] What should we leave behind?

    • 17:45 Final thoughts

  26. [Interview+] We All Love Space. Here's Why

    55 min

    BONUS PART STARTS AT 33:01Watch here (with no ads) or on YouTube: https://youtu.be/wk7ccTP9Aag🟣 Guest: Mat Kaplan https://www.planetary.org/planetary-radio Mat Kaplan is a huge inspiration for me. We talked …

    Notes de l’épisode

    BONUS PART STARTS AT 33:01

    Watch here (with no ads) or on YouTube: https://youtu.be/wk7ccTP9Aag

    🟣 Guest: Mat Kaplan https://www.planetary.org/planetary-radio

    Mat Kaplan is a huge inspiration for me. We talked about the Planetary Society, his career hosting The Planetary Radio, most exciting upcoming missions, destinations we should visit and much more.

    • 00:00 Intro

    • 01:31 Meet Mat Kaplan

    • 11:47 The Planetary Society

    • 22:03 Interesting mission ideas

    • 27:54 Which places should we explore

    • 33:01 Science communication

    • 48:03 Current obsessions

    • 52:38 Final thoughts

  27. [Q&A+] Will Roman Find Even More New Physics?

    24 min

    BONUS QUESTION STARTS AT 16:31Watch the video here (with no ads) or on YouTube: https://youtu.be/lG_soURwfxkWill new telescopes continue bringing up new discoveries? Why doesn't the CMB get blocked by galaxies? …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 16:31

    Watch the video here (with no ads) or on YouTube: https://youtu.be/lG_soURwfxk

    Will new telescopes continue bringing up new discoveries? Why doesn't the CMB get blocked by galaxies? Where did the first stars form? And in Q&A+, the truth about Roman's mirror.

    • 00:00 Intro

    • 00:25 [@XxMyNameIsTAOxX] Will new telescopes bring new discoveries?

    • 07:18 [@Zeldaborg_Galactic_Defender] Why don't galaxies block the CMB?

    • 10:33 [@MistSoalar] Were first gen stars were born in opaque dust clouds behind CMB?

    • 16:31 [@MistSoalar] The truth behind Roman's mirror

    • 21:26 Final thoughts

  28. [SpaceBites+] NASA's Roman Telescope Is In Space

    23 min

    BONUS STORY STARTS AT 18:53Watch here (with no ads) or on YouTube https://youtu.be/AvoSIyuVXWMNancy Grace Roman has launched. Webb sees little red dots merging. Black holes make a mess when eating, there's a 10 …

    Notes de l’épisode

    BONUS STORY STARTS AT 18:53

    Watch here (with no ads) or on YouTube https://youtu.be/AvoSIyuVXWM

    Nancy Grace Roman has launched. Webb sees little red dots merging. Black holes make a mess when eating, there's a 10 sided feature at Saturn South Pole. And on Space Bites Plus, figuring out how a supermassive black hole got kicked out of its galaxy.

    Vote for the best story here: https://www.youtube.com/@frasercain/posts

  29. [Q&A+] Are Meteorites A Big Problem for The Moon?

    20 min

    BONUS QUESTION STARTS AT 14:06Watch the video here (with no ads) or on YouTube: https://youtu.be/TvXlCBcnOgcHow much stuff falls on the Moon every day? What if Von Neumann probes had AI? How did studying the …

    Notes de l’épisode

    BONUS QUESTION STARTS AT 14:06

    Watch the video here (with no ads) or on YouTube: https://youtu.be/TvXlCBcnOgc

    How much stuff falls on the Moon every day? What if Von Neumann probes had AI? How did studying the Universe change my world views? And in Q&A+, should I grind my own telescope mirror?

    • 00:00 Intro

    • 00:23 [@BMichaelNeal] If Von Neumann probes had independent AI, would they be Von Neumann probes?

    • 04:24 [@christiandesalliers] The meteorite problem for a future moon base

    • 09:06 [@paigepotter4682] Has studying the universe changed any of my personal philosophies or values? How?

    • 14:06 [@sciencecompliance235] Do I have plans to grind my own telescope mirror?

    • 17:53 Final thoughts

  30. [Interview+] Did Ground-Based Astronomy Already Lose to Mega-Constellations?

    53 min

    BONUS PART STARTS AT 24:48Watch here (with no ads) or on YouTube: https://youtu.be/0RvsOFWZFtwThere soon will be tens of thousands of satellites in orbit. Possibly, even millions. Does it mean that ground-based …

    Notes de l’épisode

    BONUS PART STARTS AT 24:48

    Watch here (with no ads) or on YouTube: https://youtu.be/0RvsOFWZFtw

    There soon will be tens of thousands of satellites in orbit. Possibly, even millions. Does it mean that ground-based Astronomy is a lost cause? How can we make it work? Also, how is New Horizons doing?

    🟣 Guest: Dr. Alan Stern https://alanstern.space/

    New Horizons: https://science.nasa.gov/mission/new-horizons/

    LUCY: https://lucy.swri.edu/

    • 00:00 Intro

    • 00:57 How's New Horizons doing

    • 02:17 Next target

    • 08:43 More science for New Horizons

    • 11:07 Possible follow-up missions

    • 13:18 Funding issues

    • 19:05 New Horizons continues to do science

    • 23:48 LUCY mission

    • 30:00 Mega-constellations vs ground-based astronomy

    • 46:06 Current obsessions

    • 50:38 Final thoughts

Voici les 100 derniers épisodes sur 1 628. Les épisodes plus anciens se trouvent dans le flux du podcast.

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