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  • [Q&A] Spin Limit of Earth, True Colours of Exoplanets, Danger from Space Samples

    [Q&A] Spin Limit of Earth, True Colours of Exoplanets, Danger from Space Samples
    2024/11/12
    🦄 Support us on Patreon: https://patreon.com/universetoday How fast can the Earth spin before it starts tearing itself apart? Should we be worried about samples from Mars contaminating Earth? Why don't space agencies use standardized platforms for their missions to save costs? 00:00 Start 01:05 How fast can the Earth spin not to tear apart? 05:19 Is bringing samples from space objects dangerous? 09:56 Can we make space probes standard? 14:34 Why is it so hard to go to other star systems? 19:01 What happens to time dilation in an Alcubierre drive? 21:32 Can our Oort cloud exchange material with Alpha Cen? 24:05 How would true colour images of exoplanets look like? 26:19 Are goofy thumbnails the zeitgeist of science channels? 29:41 Electromagnetic mass drivers on the Moon? 33:31 How long can satellites stay in orbit? 36:09 Why we don't expect life around M dwarf stars? 📺 VIDEO VERSION https://youtu.be/uibgztL2wEA 📰 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)
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    43 分
  • [Space Bites] Satellite Survives Orbital Hit // Starship Flight 6 Date // Webb Finds a Steam World

    [Space Bites] Satellite Survives Orbital Hit // Starship Flight 6 Date // Webb Finds a Steam World
    2024/11/08
    Another Starship flight is right around the corner, how to make space telescopes insanely thin, a black hole feeding faster than it should, and plans to build your own radio telescope 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:13 Starship IFT-6 Launch Date 03:27 Satellite surviving a collision 05:12 Ultra-thin space telescopes 07:42 Aftermath of a neutron star collision 09:48 Steam world 11:25 Vote results 11:58 Black hole that's eating too fast 13:33 The end for Skylon? 15:39 Build your own telescope 17:16 Guide to Space 17:59 Questions for the interviews 📺 VIDEO VERSION https://youtu.be/yNGAB7i8prI 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    19 分
  • [Q&A] How Loud Was The Big Bang? Does Planet Spin Matter? Can Black Holes Revert to Stars?

    [Q&A] How Loud Was The Big Bang? Does Planet Spin Matter? Can Black Holes Revert to Stars?
    2024/11/05
    🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:27 [Alaris] How loud was the Big Bang? 04:06 [Ardena] Can black holes become neutron stars again? 07:35 [Asuria] Why send missions to Europa, not Enceladus? 12:17 [Belote] Will humans feel weird on a planet spinning opposite to Earth? 13:33 [Belsa] Did we see globular clusters gain or lose stars? 15:40 [Cartego] What would a Moon or Mars cars look like? 19:03 [Chulak] Can Ganymede and Titan be considered planets? 21:51 [Dakara] How loud would the Sun be? 22:40 [Edora] Can we use lasers for solar sails? 27:30 [Goronak] How does mass cross the event horizon? 30:28 [Hadante] How do we predict the lifetime of stars? 33:45 [Hebridan] Could we send mass to space to change our orbit and stop global warming? 📺 VIDEO VERSION https://youtu.be/eHKXwlDhWxA 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    41 分
  • [Space Bites] Is Sgr A* Image Wrong? // New Voyager-1 Problems // Another Sub-Surface Ocean

    [Space Bites] Is Sgr A* Image Wrong? // New Voyager-1 Problems // Another Sub-Surface Ocean
    2024/11/01
    Is this Event Horizon image accurate? Webb scans Vega for planets, another problem with Voyager 1, and a supernova space dandelion. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:13 Retake for the Sgr A image? https://www.universetoday.com/169025/the-milky-ways-supermassive-black-hole-photo-might-need-a-retake/ 02:32 Scanning Vega for planets https://www.universetoday.com/169041/webb-scans-vega-for-planets/ 04:20 "Alien signal" decoded https://www.universetoday.com/169047/remember-that-alien-signal-sent-by-the-exomars-orbiter-last-year-its-just-been-decoded/ 06:00 NASA's solar sail damaged https://futurism.com/the-byte/nasa-solar-sail-spacecraft-damaged-spinning 07:47 New problems for Voyager-1 https://blogs.nasa.gov/voyager/2024/10/28/after-pause-nasas-voyager-1-communicating-with-mission-team/ 09:48 Vote results 10:28 Sub-surface ocean on Miranda https://www.universetoday.com/169058/theres-another-ocean-moon-candidate-uranus-tiny-moon-miranda/ 12:23 Titan's icy crust https://www.universetoday.com/169048/titan-may-have-a-methane-crust-10-km-thick/ 14:08 Space Dandelion https://www.universetoday.com/169031/this-ancient-supernova-remnant-looks-like-a-stellar-dandelion/ 16:04 The Guide to Space 16:45 Remote telescope testing 📺 VIDEO VERSION https://youtu.be/QbleoKUuwAg 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    19 分
  • [Q&A] Europa Sample Return, Imaging Auroras, Winds of Titan

    [Q&A] Europa Sample Return, Imaging Auroras, Winds of Titan
    2024/10/29
    How hard can it be to retrieve a sample from Europa? How strong are the winds on Titan? What are the differences between different types of time dilation? Will Starship have landing legs? Answering all these questions and more in this week's Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:29 [Alaris] What are the weird rocket noises? 04:54 [Ardena] Could we be forever trapped on Earth because of its spin? 08:29 [Asuria] How to take pictures of auroras? 11:54 [Belote] How big is the Solar System? 15:16 [Cartego] How hard would it be to do a sample return from Europa? 21:37 [Chulak] Why worry about contaminating space probes? 25:25 [Dakara] What are the plans to explore lava tubes on Moon/Mars? 28:36 [Edora] How strong are the winds on Titan? 30:32 [Goronak] Will there be legs of Starships that go to Moon and Mars? 31:51 [Hadante] What are the chances of Europa Clipper finding plumes and sampling them? 34:20 [Hebridan] Any news on Starshot? 📺 VIDEO VERSION https://youtu.be/K344oQzUWVU 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    41 分
  • [Space Bites] New Hope for TRAPPIST-1 // ISS Successor // Milky Way Particle Accelerator

    [Space Bites] New Hope for TRAPPIST-1 // ISS Successor // Milky Way Particle Accelerator
    2024/10/25
    What comes after the International Space Station, first results from Euclid, there’s hope for the TRAPPIST-1 planets, and a triple star system with a black hole. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 00:14 Vast Heaven-2 https://www.vastspace.com/haven-2 03:38 First results from Euclid https://www.universetoday.com/168912/check-out-this-sneak-peek-of-the-euclid-missions-cosmic-atlas/ 05:49 Laser communication https://www.universetoday.com/168954/nasa-achieves-impressive-bandwidth-with-its-new-laser-communications-system/ 08:28 Mirrors for LISA https://www.universetoday.com/168976/nasa-is-building-telescopes-for-the-lisa-mission/ 09:46 Hope for TRAPPIST-1 https://www.washington.edu/news/2024/10/23/rocky-planets-orbiting-small-stars-could-have-stable-atmospheres-needed-to-support-life/ 11:25 Triple system with a black hole https://www.caltech.edu/about/news/first-black-hole-in-a-triple-star-system-found 13:10 Vote results 14:23 Particle accelerator at the center of the Milky Way https://www.universetoday.com/168982/theres-a-particle-accelerator-at-the-center-of-the-milky-way/ 16:43 Heat shields for different atmospheres https://www.universetoday.com/168977/testing-heat-shields-for-different-atmospheres/ 19:03 Guide to space 19:36 Return of Virtual Star Parties 📺 VIDEO VERSION https://youtu.be/Lln1KXx2ZYM 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    21 分
  • [Interview] How JWST Changed Our Understanding of Star Formation

    [Interview] How JWST Changed Our Understanding of Star Formation
    2024/10/23
    We know that stars start with a cloud of gas and then turn into a glowing ball. But how exactly does this process happen? How do stars turn on? Astronomers have been using JWST to find out. 🟣 Guest: Adam Rubinstein 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Intro 02:39 Young stars 11:55 Going from not-a-star to a star 14:22 JWST data 33:51 Working with JWST 45:54 Current obsessions 50:12 Final thoughts 📺 VIDEO VERSION https://youtu.be/T_tHtWngvTA 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    52 分
  • [Q&A] Shrinking Sgr A*, Prime Directive for Mars, Dark Energy Detectors

    [Q&A] Shrinking Sgr A*, Prime Directive for Mars, Dark Energy Detectors
    2024/10/22
    Can there be Dark Energy detectors? When will Sgr A start shrinking? Should the Prime Directive apply to Mars? Can we bring a proper observatory in space? Answering all these questions and more in this week's Q&A show. 🦄 Support us on Patreon: https://patreon.com/universetoday 📚 Suggest books in the book club: https://www.goodreads.com/group/show/1198440-universe-today-book-club 00:00 Start 00:29 [Alaris] What about Dark Energy detectors? 08:40 [Ardena] Why don't we see different constellations during the year? 11:15 [Asuria] When will Sagittarius A start shrinking? 13:42 [Belote] Can we build a space station observatory? 18:44 [Belsa] How do we see objects falling into black holes? 20:14 [Cartego] How will interstellar communication work? 21:48 [Chulak] Should the Prime Directive apply to Mars? 26:18 [Dakara] Does Mars have meteors from Earth? 27:32 [Edora] Why do comets leave tails? 29:03 [Goronak] Can black holes explode? 30:43 [Hadante] Does liver damage make Mars trips impossible? 📺 VIDEO VERSION https://youtu.be/KFsIuE4BiaQ 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe. It's FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Twitter: https://twitter.com/fcain Twitter: https://twitter.com/universetoday Facebook: https://facebook.com/universetoday Instagram: https://instagram.com/universetoday 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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    38 分