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 [Belsa] What's the difference between different types of time dilation? 16:54 [Cartego] How hard would it be to do a sample return from Europa? 23:15 [Chulak] Why worry about contaminating space probes? 27:03 [Dakara] What are the plans to explore lava tubes on Moon/Mars? 30:14 [Edora] How strong are the winds on Titan? 32:10 [Goronak] Will there be legs of Starships that go to Moon and Mars? 33:29 [Hadante] What are the chances of Europa Clipper finding plumes and sampling them? 35:58 [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)

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)

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)

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)