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[Interview] Can Sweating Heat Shields Solve Re-Entry Problems for Reusable Rockets?
Heat shields are one of the trickiest problems left to solve before we can have truly reusable spacecraft. So far we've seen different solutions, like ablative materials or ceramic tiles. But can a sweating heat shield be a solution? Finding out in this interview. 😍 [Interview+] Same video. No YT ads. https://www.patreon.com/universetoday 🟣 Guest: Dr. Hassan Saad Ifti https://nal.tamu.edu/ 📜 Could Sweating Spacecraft Make Re-Entry Easier? https://www.universetoday.com/articles/could-sweating-spacecraft-make-re-entry-easier 00:00 Intro 01:40 Challenges of reentry 12:00 Sweating spacecraft 31:05 Which gas to use 38:49 Metal 3D-printing 45:51 Current obsessions 50:41 Final thoughts 📺 VIDEO VERSION https://youtu.be/04rSPGwMLlM 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Q&A] Extending JWST's Life, Views from Dragonfly, Roadblock to Mars
Can we refuel James Webb at L2 when it runs out of propellant? What will the Dragonfly octocopter see on the surface of Titan? Will discovering life on Mars stop us from going there? And in our extended Q&A+ on Patreon, what are space things I'm hoping to see in my lifetime? Answering all these questions and more in this Q&A show. 🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q&As https://www.patreon.com/universetoday 00:00 Start 00:30 [Monty Skeetch] Will Dragonfly see rains or rivers on Titan? 01:35 [Ιwanna_kiIImyself] Why does JWST do figure of 8 movements at its Lagrange L2 point? 03:35 [SantiagoMK] Can JWST be refuelled? 04:35 [beau danner] Which moon is best for Venus? 05:25 [Billy Griffith] Will finding life on Mars stop us from going there? 07:11 [veerendra kumar] Do double and triple black hole systems exist? 08:29 [kLONDIKE69 NONE] Can we see asteroid belts around other stars? 09:04 [Tim G] My position on Planet 9/X 10:07 [Kasie Ream] Can Betelgeuse explosion be just a flop? 11:51 [Mufasa Putasa] What have we learned from gravitational waves so far? 13:54 [Eric D. Wade] What happened to the BEAM module? 📺 VIDEO VERSION https://youtu.be/gdu62qdEmFs 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Interview] 3 Key Technologies to Start Terraforming Mars in Our Lifetime
Terraforming Mars is usually considered in the realm of science fiction. But actually we have technology to start doing it in our lifetime and achieve some meaningful results it a timescale of tens of years, not thousands. What are they? Finding out in this interview. 🦄 Support us on Patreon: https://patreon.com/universetoday 🟣 Guest: Dr. Erika Alden DeBenedictis https://www.erikadebenedictis.com/ 📜 The Case for Mars Terraforming Research https://www.nature.com/articles/s41550-025-02548-0 00:00 Intro 01:34 Why Mars sucks 02:23 Old ideas to terraform Mars 11:00 New technologies 31:52 Timescales 37:00 Ethical consequences 46:39 Current obsessions 53:39 Final thoughts 📺 VIDEO VERSION https://youtu.be/tpFFKCF4-BA 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Space Bites] Dangers of A Super Solar Storm // Jupiter Twice The Size // Crazy Moon Landing System
Jupiter could have been twice as big in the past, the challenges of landing on the Moon, the record for the farthest galaxy has been broken. And in our Patreon edition, how the location of gas plays a role in star formation. 🚀 [Space Bites+] No ADS. BONUS Story. For FREE: https://www.patreon.com/posts/129128649 👉 Vote for the best story here: https://www.youtube.com/@frasercain/community 00:00 Intro 00:19 Jupiter was 2 times bigger https://www.universetoday.com/articles/new-study-suggests-that-jupiter-was-once-twice-as-big-as-it-is-today 02:05 Moon landing pads https://www.universetoday.com/articles/lunar-landing-pads-will-need-to-be-tough 03:41 Moon catching device https://www.universetoday.com/articles/building-a-giant-catchers-mitt-on-the-moon 05:59 The world isn't ready for a big solar storm https://www.universetoday.com/articles/is-the-world-ready-for-a-catastrophic-solar-storm 08:45 New record for JWST https://www.universetoday.com/articles/the-new-farthest-galaxy-has-been-found-by-webb-only-280-million-years-after-the-big-bang 10:54 The mystery of little red dots deepens https://www.universetoday.com/articles/the-deepening-mystery-around-the-jwsts-early-galaxies 12:42 Vote results 13:17 Habitable moons of Jupiter https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf794/8137882?rss=1 14:57 Terraforming Mars https://www.universetoday.com/articles/terraforming-mars-could-be-within-reach 17:34 Guide to Space 18:21 [Space Bites+] bonus story 18:31 Dangers from space 📺 VIDEO VERSION https://youtu.be/HKI8xpwgQPU 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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[Q&A] My Favourite Space Image, Shape of Oort Cloud, The Concept of Aliens
When did humans first think of aliens? Why is Oort cloud a sphere when the Solar System is a disk? Which space image is my favourite? And in our Q&A+ on patreon, is search for life only limited to looking for water? Answering all these questions and more in this Q&A show. 🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free : https://www.patreon.com/universetoday 🚀 [Overtime] Even more Q&As https://www.patreon.com/universetoday 00:00 Start 00:30 [Paige Potter] When did humans first think of aliens? 03:24 [PaulinTucson] Why is Oort cloud a sphere while Solar System is a disk? 06:51 [Walter Hartman] Are dark matter and dark energy 100% real? 11:33 [Scotty-Too-Hottie] How long before our Sun turns into a red giant? 13:34 [Heya Sasha] My favourite space image 📺 VIDEO VERSION https://youtu.be/k3iCw1Wtdws 📰 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 [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)
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