Podcasts · Science

Universe Today Podcast

Fraser Cain

300 episodes

Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.

Episodes page 5 of 6

  1. [Q&A+] Galaxies Sticking Together, Feeling The Expansion, Flawed LCDM | Q&A 366

    · 24 min

    Why didn't all galaxies stick together at the early stages of the Universe? Can we feel the spacetime expanding? What if simulating the Universe is easier than physically exploring it? And in Q&A+, why is Starship so…

  2. [Interview+] Remember Hycean Worlds? Well, Looks Like They Shouldn't Exist

    · 38 min

    Recently we heard a lot about hyaena planets. They are supposed to be sub-neptunes with thick Hydrogen atmosphere which allows them to maintain a planet-wide liquid ocean in a vast range of conditions. The most famous…

  3. [Space Bites+] Big Artemis III Shakeups // Passing Through 3I/ATLAS Tail // Search for Detect Dark Matter

    · 23 min

    A new asteroid discovered that comes uncomfortably close to Earth, two missions are going to be passing very close the tail of 3I/ATLAS, a new shakeup in NASA’s Artemis III plans, and Webb sees a giant star before it…

  4. [Q&A+] 3I/ATLAS Special (Vol. 2) | Q&A 365

    · 17 min

    Will 3I/ATLAS leave its tail behind in the Solar System? What keeps us from geting high res images of the interstellar object? Will the 3I/ATLAS data ever become private? And in Q&A+, if it was an alien spacecraft, how…

  5. [Interview+] Why Space Exploration in The Next Frontier in the Evolution of Life

    · 1 h 02 min

    Humanity has extensively explored the solar system in just under a century. But at the same time the clock is ticking. Earth is not forever. This is exactly why we should take the chance, explore harder and race…

  6. [Q&A+] Putting Out the Sun, Earth from Another Galaxy, Forever Locked Moon | Q&A 364

    · 20 min

    How big of a water bucket do you need to put out the Sun? How would Earth look like from another galaxy? Will the Moon stay tidally locked forever? Why is Uranus so hillarious? And in Q&A+, which cinematic cliches…

  7. [Space Bites+] Iron Appears on 3I/ATLAS // Starship Flight 11 // DNA Could Survive on Mars

    · 22 min

    Phosphine found in a brown dwarf for the first time, new observations measure the nickel to iron ratio of Comet 3I/ATLAS, more evidence for Betelgeuse’s companion, Starship’s Flight 11 goes according to plan. And in…

  8. [Q&A+] SOS from Betelgeuse, Taste in Space, Nearby Black Hole Telescope | Q&A 363

    · 25 min

    Why do astronauts taste food differently? Do we actively look for a SOS signal for Betelgeuse? Can we use a nearby black hole as a telescope? And in Q&A+, what shape will Milkdromeda be and why? Watch the video here…

  9. [Q&A+] Weird 3I/ATLAS, Weird Saturn Storm, Weird Space News | Q&A 362

    · 21 min

    What's going on with the weird comet 3I/ATLAS? What's going on with the weird storm on Saturn? How do you know which space news to trust? And in Q&A+, the best space documentaries ever made. Watch the video here (with…

  10. [Interview+] How Breakthrough Starshot Quietly Fell Apart

    · 40 min

    Since Breakthrough Starshot was announced back in 2006 we started hearing less and less about the cause. But now it's gone practically to zero. What happened to the most realistic attempt to send a starship to another…

  11. The Ultimate Guide to The 3I/ATLAS Comet

    · 24 min

    3I/ATLAS is a mad topic surrounded by speculations about aliens and other controversial takes. But there's a lot of real science about this fascinating objects. So, in this video we put together all the major…

  12. [Q&A+] Super Dangerous Solar Storms, Sampling Interstellar Objects, Alpha Cen vs Tau Ceti | Q&A 361

    · 22 min

    How close are we to another Carrington-style event and how bad will it be? Why do people keep calling interstellar comets alien spaceships? Why not shift our focus from Alpha Centauri to Tau Ceti? And it Q&A+, if we…

  13. [Q&A+] Power from a Black Hole, My Meteorite, Oort Cloud Attachment | Q&A 360

    · 22 min

    How does Oort cloud stay attached to the Solar System as it moves through space? How can you generate power using a black hole? What should you do if a meteorite falls into your yard? And in Q&A+, which upcoming NASA…

  14. [Space Bites+] Artemis II Launching Soon // 3I/ATLAS YouTube Disaster // Milky Way Wave

    · 22 min

    Gaia finds a huge wave sweeping through the Milky Way, We’ve got a launch date for Artemis II, lava tubes might have been found on Venus. And in Space Bites+, Venus’s clouds are mostly made of water. Watch the video…

  15. [Q&A+] Possible Life Under Europa's Ice, Pilotless Alien Spaceships, Hawking Radiation Explained | Q&A 359

    · 21 min

    Can fish or other marine life realistically exist under the ice of Europa or Enceladus? Can we be visited by an alien spaceship but with no pilot? What is the most common misconception about Hawking radiation? And in…

  16. [Q&A+] The Next Interstellar Project, Black Hole Planets, Combining Stars into a Megastar | Q&A 358

    · 22 min

    What would be the next interstellar project after the quite end of Breakthrough Starshot? Can planets exist around black holes? Why don't all stars combine into one megastar? And in Q&A+, are ion engines the future of…

  17. [Interview+] This Crazy Pizza Slice Shaped Telescope Obliterates JWST Resolution

    · 47 min

    James Webb can't resolve Earth-size planets around Sun-like stars. Not just because of the contrast but also because of the diffraction limit. To do that you need a mirror of 20+ meters. But what if you increase the…

  18. [Space Bites+] Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu

    · 22 min

    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…

  19. [Q&A] Landing on Venus, Neutron Stars Going Boom, Shape of the Oort Cloud

    · 19 min

    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?

  20. [Q&A] Huge Problem with YouTube, Inter-Species Communication, Earth to Jupiter

    · 19 min

    Could we turn Earth into Jupiter by just adding more atmosphere? Can we train to communicate with aliens by talking to animals? How's YouTube destroying itself and it's getting really dangerous? And in Q&A+ will Vera…

  21. [Interview] Fighting Moon and Mars Dust with An Electric Shield

    · 34 min

    Dust is a big problem for Moon and Mars. It sticks to everything, breaks things, covers solar panels. So, how do you solve this problem? One possible solution is an electric shield that uses charged surfaces to repel…

  22. [Space Bites] Moon Infrastructure // End of Breakthrough Starshot // Moon Lava Tube Robots

    · 20 min

    Building infrastructure on the Moon, Earth gets a new quasi-satellite, a black hole has wandered away from the center of its galaxy, and a tour through star forming nebulae thanks to Gaia. And on Space Bites+, China’s…

  23. [Q&A] 3I/ATLAS Comet Special

    · 21 min

    How can we realistically tell if 3I/ATLAS is an alien spaceship or not? Can we turn an interstellar comet into a transmitter? Would the government suppress information about a dangerous asteroid? And in Q&A+, why…

  24. [Q&A] Naming Planet X, Cats in Space, Stars Blocking Galaxies

    · 21 min

    Who will name Planet X if/when it is discovered? How will cats deal with the toilet situation if they go to space? Can a star block an entire galaxy? And in Q&A+ what happens if we find proof that there's no life…

  25. [Q&A] Hiding Earth from Aliens, Truth About Pyramids, Crashing Into a Black Hole

    · 18 min

    Can we make Earth invisible for possible alien invaders? What's the deal with the pyramids and their alignment to stars? Can an interstellar ship casually crash into a black hole? And what's the difference between…

  26. [Space Bites] HUGE “Life on Mars” Announcement // 3I ATLAS Grows a Tail // JWST Looks at TRAPPIST-1e

    · 24 min

    Has Perseverance found signs of life on Mars? Webb scans TRAPPIST-1e for signs of an atmosphere. 3I/ATLAS grows a tail, and could get a mission. And on Space Bites+, Webb sees a cloud of methane around the dwarf planet…

  27. [Q&A] Flammable Titan, Jupiter Gravitational Lens, Max Photon Energy | Q&A 352

    · 15 min

    What's the highest energy a photon can have? Is Titan just a huge fire hazard floating in space? How do they measure the masses of planets with just satellites? And in Q&A plus, what realistic scifi is worth watching?…

  28. [Space Bites] 3I/ATLAS Is NOT Normal // JUICE Lost Contact // Mars' Lumpy Interior

    · 23 min

    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…

  29. [Q&A] Showstopper for Mars Missions, Vera Rubin vs Aliens, Space Whales

    · 16 min

    Which is a bigger showstopper for a human Mars mission: food or radiation exposure? Does Vera Rubin leave any chance for aliens to still sneak upon us? Can something like space whales actually exist? And in Q&A+, when…

  30. [Q&A] Flat Galaxies, Future of The Space Race, Mining Mars

    · 18 min

    Why are galaxies and star systems flat? What does the future of the space race look like? Are we going to Mars to mine it? And in Q&A+, what sparked my personal interest for space as a kid? 🦄 Support us on Patreon:…

  31. [Starship Special] Full Analysis of IFT-10 with Scott Manley and Marcus House

    · 45 min

    The boys are back! Discussing all the things that happened during Starship IFT-10. Why didn't they catch the Super Heavy booster? What did explode near the engines? Why was Starship orange? What's next for SpaceX?…

  32. [Space Bites] "WOW!" Signal Gets an Update // Starship IFT-10 // JWST Finds No Atmospheres

    · 20 min

    The Wow signal was even more Wow. Starship Flight 10 makes it space and returns to Earth, more red dwarf planets get crossed off the list as lacking an atmosphere, a supernova spilled its guts into space. And on Space…

  33. [Q&A] Fermi Paradox Special

    · 19 min

    Can the difficulty of interstellar travel the answer to the Fermi paradox? Or maybe it's the fact that we can only apply it to our galaxy and not further? Or maybe we can even find life in our solar system? 👉 [Q&A+]…

  34. [Interview] How Close Are We To Building A Practical Skyhook

    · 39 min

    We definitely won't see a space elevator built in any foreseeable future. But there is a similar but much more practical approach – a skyhook. How close are we to creating one? Why is it useful? What challenges does it…

  35. [Q&A] Dangerous Supernova, Astronomy's Blind Spot, Space Race to Mars

    · 18 min

    When is a supernova too close for comfort? Will USA's Moon race against China accelerate a race towards a Mars base? How can we see the Oort cloud? And in Q&A+, what do I tell to space deniers? 🦄 Support us on…

  36. [Space Bites] Origin of Ryugu and Bennu // JWST's Big Discovery // A Star Ate a Black Hole

    · 18 min

    Ryugu and Bennu are related, a star tried to eat a black hole and it didn’t go well, using moons to save fuel, and China tests its new human lunar lander. In Space Bites+, how climate change will impact satellite…

  37. [Q&A] Starships on Mars, Molten Salt Moon Batteries, Observable Universe

    · 17 min

    Why do people believe Starships will go to Mars? Can we use molten salt batteries on the Moon? What's the difference between the Universe and the Observable Universe? And in Q&A+, what's the chance of hitting an stone…

  38. [Interview] Fighting Light Pollution from Satellites with Ultra Black Paint

    · 41 min

    Satellites are causing light pollution. Every year there a more of them. So, why don't they just paint them all vantablack, the ultra-black coating that doesn't reflect almost any light? Finding out in this interview.…

  39. [Q&A] Living on Venus VS Mars, Biosphere 2 for Mars, Dangers of Space Junk

    · 17 min

    Is living in the clouds of Venus better than living in sub-surface habitats on Mars? Can we really lock ourselves from orbit with space junk? Should we build another version of Biosphere before going to Mars? And in…

  40. [Space Bites] JWST's Results from TRAPPIST-1d // Water from 3I/ATLAS // Biggest Black Hole Ever Found

    · 26 min

    Finally, Webb’s analysis of TRAPPIST-1d, new Hubble images comet 3I/ATLAS, the most massive black hole ever discovered, why Mars sand is so dangerous. And in Space Bites+, staring right down the jet of an actively…

  41. [Q&A] New Moons for Mars, Black Hole Jets, Best Case Scenario for Europa Clipper

    · 20 min · Trailer

    What would happen if we moved a jovian moon to Mars? What are black holes spitting out as those jets? What's the best case scenario for Europa Clipper's search for life? And in Q&A+, how are we searching for Sun-like…

  42. [Interview] The Infinity Galaxy: First Evidence of a Direct Collapse Supermassive Black Hole?

    · 46 min

    How did supermassive black holes get so big so early? There are two main models for that, and JWST just got a huge boost for the one that suggests they can form via a direct collapse of gas clouds. How did the…

  43. [Q&A] Black Hole Size Limit, Economies of Scale for Space Missions, Favourite Galaxy

    · 23 min

    Is there an upper size limit for black holes? Why don't we build multiple identical missions to increase the chance of success? Is the Universe considered finite or infinite? And in Q&A+, is the Universe expanding or…

  44. [Space Bites] New Planet at Alpha Centauri // Webb Ultra Deep Field // Six Mars Helicopters

    · 17 min

    A Planet Found at Alpha Centauri. Webb Revisits the Hubble Ultra Deep Field. Little Red Dots don't break the laws of physics. In Space Bites Plus, showing that the Earth's magnetosphere was here for a long time. 😍…

  45. [Q&A] Aiming an Asteroid at The Moon, Mars Babies, Absolute Stillness

    · 19 min

    Could we aim asteroid YR4 at the Moon on purpose? What would happen to babies born and raised on Mars? Should we use water as an insulation layer for our spacecraft? And in Q&A+, could we mine an asteroid that's stuck…

  46. [Q&A] Escaping a Black Hole, Detecting an Warp Drive Ship, JWST True Orbit

    · 20 min

    If nothing escapes a black hole, how does gravity escape? Could we detect a faster-than-light spaceship cruising through the Solar System? What does JWST really orbit at L2? And in Q&A+, could the Universe have started…

  47. [Space Bites] Weakening Dark Energy // Lunar Radio Telescope // Fuel Depots for Space

    · 24 min

    More evidence that dark energy is weakening, cosmic rays could keep life alive under the ice, NASA is building fuel depots in space, and a radio telescope is going to the far side of the Moon. On Space Bites+, how…

  48. [Q&A] Deflecting Gravitational Waves, Destruction from Comets, Religious AI

    · 15 min

    Do gravitational waves deflect like waves on the water? Which type of comet would cause the most destruction for Earth? Will we see humans on Mars in our lifetime? And in Q&A+ could AI become religious? 🎁 [Q&A+] Same…

  49. [Q&A] End of Expansion of the Universe, Hypervelocity Stars, Retrograde Planets

    · 20 min

    Do we predictions when will the Universe stop its expansion? Did we find hypervelocity stars in M31? What does it mean when planets go retrograde? And in Q&A+ could the Big Bang be a white hole? 🎁 [Q&A+] Same video.…

  50. [Interview] Modern Day Space Enigmas. Fast Radio Bursts

    · 38 min

    FRBs are a great example of a modern day space mystery. We've seen a lot of them. We know a fair amount about them. But we still don't really know for sure how do they work and what's their true source. Some of them…

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