Universe Today Podcast
Universe Today Podcast
Fraser Cain
Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.
[Space Bites+] This Supernova Candidate Turned Out To Be Something Completely Different
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 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.00:00 Intro 00:36 Supernova Impostor https://www.universetoday.com/articles/astronomers-unmask-a-supernova-impostor 03:10 No Exomoon https://www.universetoday.com/articles/jwst-ruled-out-finding-tiny-moons-around-an-exoplanet-thats-great-news 05:20 Possible Rendezvous With Halley's Comet In 2061 https://www.universetoday.com/articles/jwst-ruled-out-finding-tiny-moons-around-an-exoplanet-thats-great-news 07:31 Remember 3I/ATLAS? https://www.universetoday.com/articles/new-revelations-about-the-origin-of-interstellar-comet-3iatlas 09:02 Largest 2-D Map of the Universe https://www.universetoday.com/articles/the-desi-legacy-imaging-survey-releases-the-largest-2-d-map-of-the-universe 10:32 The 20th Data Release of the SDSS https://www.universetoday.com/articles/the-20th-data-release-dr-20-of-the-sloan-digital-sky-survey-sdss-is-here 12:04 Vote results 12:28 Chang’e-7 Postponed https://www.universetoday.com/articles/china-postpones-the-change-7-mission 13:18 Firing Lasers At An Asteroid https://www.universetoday.com/articles/japans-hayabusa2-achieves-first-ever-laser-ranging-experiment-with-an-asteroid 14:28 Rubin Peers Deep Into the COSMOS Field https://www.universetoday.com/articles/rubin-observatory-peers-deep-into-the-famous-cosmos-field 16:05 Bonus Story https://www.universetoday.com/articles/some-black-holes-grow-much-faster-than-their-galaxies 18:58 Final thoughts
Sep 11
20 min
[Q&A+] Did China Really Steal the Falcon 9 Design?
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 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
Sep 10
19 min
[Interview+] We All Love Space. Here's Why
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 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
Sep 9
55 min
[Q&A+] Will Roman Find Even More New Physics?
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? 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
Sep 8
23 min
[SpaceBites+] NASA's Roman Telescope Is In Space
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 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/posts00:00 Intro 00:18 Nancy Grace Roman launched https://www.universetoday.com/articles/roman-rises-five-things-to-know-about-nasas-new-space-telescope 05:28 Merging LRDs https://www.universetoday.com/articles/astronomers-find-little-red-dots-about-to-merge 08:12 Mars’ Temperature Differences https://www.universetoday.com/articles/marss-interior-is-400c-hotter-under-southern-hemisphere 10:35 Black Hole Burping https://www.universetoday.com/articles/astronomers-catch-black-hole-spewing-matter-after-feeding 12:58 Saturn’s Decagon https://science.nasa.gov/missions/hubble/nasas-hubble-tracks-new-decagon-encircling-saturns-south-pole/ 14:22 Vote results 14:55 Surprising Result in the Search for Dark Matter https://www.universetoday.com/articles/scientists-intrigued-by-a-surprising-result-in-the-search-for-dark-matter 17:45 BepiColombo Arrives at Mercury https://www.esa.int/Science_Exploration/Space_Science/BepiColombo/Latest_updates_BepiColombo_s_arrival_at_Mercury 18:53 Bonus Story. Runaway SMBHs https://www.universetoday.com/articles/physicists-determine-cause-of-runaway-supermassive-black-hole 21:28 Final thoughts
Sep 4
23 min
[Q&A+] Are Meteorites A Big Problem for The Moon?
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 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
Sep 3
20 min
[Interview+] Did Ground-Based Astronomy Already Lose to Mega-Constellations?
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 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
Sep 3
52 min
[Q&A+] How Many Supernovae Made The Solar System?
BONUS QUESTION STARTS AT 11:23Watch the video here (with no ads) or on YouTube: https://youtu.be/1E7v7lv0U-oCan you DYI a binocular telescope at home? Which binoculars should you get for stargazing? How many supernovae it took to create the Solar System? And in Q&A+ what happens is the Voyagers come back?00:00 Intro 00:25 [@evandotpro] Does it make sense to DIY a binocular telescope? 03:30 [@JackRay-1] What magnification level and lens size would be good for binoculars used to stargaze? 08:24 [@szolosiseb773] How many stars went supernova before the formation of our current Solar System? 11:23 [@OneOfAMineRocks] What Happens When We See Voyager Coming Back From The Other Direction? 17:30 Final thoughts
Sep 2
18 min
[Space Bites+] SpaceX Go All-In On Building The Biggest Spaceport In History
BONUS STORY STARTS AT 25:06Watch here (with no ads) or on YouTube: https://youtu.be/8eMctTM-dugVote for the best story here: https://www.youtube.com/@frasercain/posts My sister's website: https://haislacollins.com/ Japan’s Phobos mission is almost ready to launch and so is Roman, NASA needs help re-inventing the wheel, why Earth is inevitable, and on Space Bites+, melting diamonds to learn more about ice giant interiors. All this and more in this week’s Space Bites.00:00 Intro 00:17 MMX Is Ready 03:18 Possible Origin of Deimos https://www.universetoday.com/articles/marss-funky-moon-deimos-was-shaped-by-an-impact 05:36 Phobos Transit https://science.nasa.gov/photojournal/perseverance-captures-another-phobos-transit/ 07:09 Starship aboard https://www.marinetraffic.com/en/ais/details/ships/shipid:25528608:40 SpaceX's $100B expansion plan https://arstechnica.com/space/2026/08/spacex-intends-to-invest-up-to-100-billion-in-massive-louisiana-spaceport/ 10:30 Reinventing the Wheel for NASA https://www.nasa.gov/centers-and-facilities/johnson/nasa-challenge-tests-wheel-designs-for-moon-base-mobility/ 13:20 Skyfall Drones https://www.universetoday.com/articles/nasas-skyfall-mars-helicopters-will-feature-a-revolutionary-antenna-design 16:45 More Leads for Dark Matter https://www.universetoday.com/articles/a-distant-stream-of-stars-may-offer-new-clues-to-dark-matter 18:56 Vote results 19:34 Earth is inevitable https://www.universetoday.com/articles/new-solar-system-models-show-earth-is-no-fluke 21:33 Roman's ready to launch 23:23 New image of Betelgeuse https://www.almaobservatory.org/en/audiences/alma-reveals-long-lived-hotspots-on-betelgeuses-bubbling-surface/ 25:06 Bonus story https://www.universetoday.com/articles/scientists-melted-a-diamond-and-cracked-a-secret-of-ice-giants27:08 More space news 27:56 Final thoughts
Aug 28
30 min
[Q&A+] What Percentage of The Universe’s Life Has Already Passed?
BONUS QUESTION STARTS AT 14:37Watch the video here (with no ads) or on YouTube: https://youtu.be/2gtlfvI9JJ0How much of the Universe's life has already passed? Is the Universe spinning? How do binary planets work? And in Q&A+, does solar wind influence the orbits of planets?00:00 Intro 00:24 [@adamredwine774] What percent of the Universe's total lifetime have already passed? 05:41 [@DamingoFlave] Do you think that Deja Vu and Dreams could be glimpses into our multiverse versions of our lives we live? 07:45 [@ragetail3] Is the idea of adding a slingshot connected to earth for slinging rockets in to space a realistic idea? 12:26 [@HudsonAnsley] How do binary planets work?? 14:37 [@danielguite3914] Do solar winds influence planet orbits? 17:23 Final thoughts
Aug 28
19 min
Load more