Universe Today Podcast Fraser Cain

What are those lasers shooting out from telescopes? Can we build a space elevator? Could we grow plants in Mars regolith? Why not assemble telescopes in space? Answering all these questions and more in this week's Overtime Q&A.


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https://www.goodreads.com/group/show/1198440-universe-today-book-club



00:00 Start
00:50 Could we plant in Mars regolith?
02:35 What is the bright laser coming out of telescopes?
06:08 Will telescopes be assembled in space?
07:59 Would we have our money's worth if JWST broke?
08:45 Any updates on space elevators?
12:52 Will Breakthrough Starshot happen soon?
15:24 What about a low-mass black hole?
16:37 Could Gemini North and South do optical interferometry?
19:06 Thoughts on Europa?
21:46 How do galaxies collide if the Universe is expanding
22:45 Could an LCD screen be a coronagraph?
26:46 How does light travel farther than 13.8 billion light-years?
28:19 Are we looking for machine civilizations?


📺 VIDEO VERSION
https://youtu.be/CB5JBkDqmu0


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It's already been two years of JWST operations. In this episode we accumulated all the major science results, all the amazing images and graphs, all the important discoveries and controversies. Enjoy the ULTIMATE GUIDE to the second year of James Webb.


📺 VIDEO VERSION
https://youtu.be/wh4G1Wh79Ck


🥇 All the JWST discoveries from YEAR 1
https://youtu.be/nbDQEo0uA0Q


🦄 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
01:29 Jupiter's Moons
04:26 Uranus and its faintest rings
05:58 Exoplanets
06:24 TRAPPIST-1 system
09:04 Exomoon around a brown dwarf
11:01 Asteroid collisions
12:15 Hycean world
16:00 Methane on an exoplanet
17:00 Exoplanet weather
19:15 Water delivery to exoplanets
20:33 Sand clouds on an exoplanet
22:00 Rogue planets
24:12 Key molecule for life
25:53 Lobster nebula
27:07 A very young star
28:11 Horsehead nebula
29:24 Binary young star
30:40 Ring nebula
31:52 Pillars of creation in 3D
33:05 Crab nebula
34:02 Cassiopea A
34:49 Heart of the Milky Way
36:02 Extragalactic
36:19 Supernova 1987a
37:51 Triangulum galaxy
39:38 Spiral galaxies face on
40:51 Whirlpool galaxy
42:21 El Gordo and gravitational lenses
43:45 Erindel
45:08 Cosmic web
46:19 Most distant active black hole
48:16 Most distant galaxy
49:25 Epoch of Re-ionization
51:24 What's next


📰 EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
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Astronomy Cast: http://www.astronomycast.com/


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[email protected]


⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
Support Universe Today Podcast

Europa Clipper might be delayed. NASA is cancelling its VIPER lunar rover mission. Mapping the dark matter in a dwarf galaxy. And a real-life stillsuit.


🦄 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 Europa Clipper in serious danger
03:11 NASA cancelled VIPER
04:56 Dune-style suit for space
06:58 Falcon 9 failure
08:17 SpaceX's ISS de-orbit vehicle
09:24 Flight 5 SuperHeavy static fire
10:05 New Glenn Legs
10:48 Vote results
11:25 Why is the Great Red Spot shrinking
12:34 Mapping dark matter
14:16 JWST updates
17:32 Weird state of the launch market


📺 VIDEO VERSION
https://youtu.be/9ahZM6xTRkk


📰 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/


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Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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📩 CONTACT FRASER
[email protected]


⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
Support Universe Today Podcast

Oumuamua and Borisov were the first interstellar visitors found by humanity. There should be many more of them. How can we find it and what will it mean for Astronomy? Finding out the answers.


🦄 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
01:52 Oumuamua and Borisov
12:30 Interstellar meteorites
19:22 How are interstellar objects born
27:53 Better detection methods
34:40 Missions to interstellar objects
42:53 Active asteroids
56:07 Current obsessions
01:00:05 Final thoughts


📺 VIDEO VERSION
https://youtu.be/w-ykiXXGuCo


📰 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/


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Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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📩 CONTACT FRASER
[email protected]


⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
Support Universe Today Podcast

This is an episode of our Patreon-exclusive Q&A show that I do with my producer Anton.


Join our Patreon. Here's the call for questions for this month's Q&A:
https://www.patreon.com/posts/patrons-send-in-108268455



0:00:00 Intro
0:01:12 Summer break
0:04:46 Another Einstein
0:09:52 Detecting nuclear wars on exoplanets
0:11:22 Planets at Proxima Centauri C
0:13:38 Eclipses on other planets
0:16:03 Upcoming big missions
0:22:22 Rotating black holes
0:27:25 Abiogenesis
0:31:08 Dark matter interactions
0:33:02 Orbital collisions
0:36:19 Antimatter in the magnetosphere
0:37:40 SGL alternative approach
0:40:34 Colonizing space
0:45:07 Sources of gravitational waves
0:47:01 Accretion disks
0:49:43 Galactic Lagrange points
0:52:30 Starship and interstellar missions
0:58:06 Why doesn’t Super Heavy and Starship float
1:04:31 Inside of black holes
1:06:46 Astronauts in permanently shadowed Moon regions
1:11:03 Gravitational waves from dark matter
1:12:53 Docking in space
1:16:09 Starship mittens
1:20:15 Age of light
1:23:42 Sun’s magnetic field flipping
1:25:14 Earth-size Moon around a Super Duper Jupiter
1:27:26 Hollow black holes
1:29:47 Dark matter and antigravity
1:31:10 Starliner
1:34:17 Ancient astronomical constructions
1:39:13 Questions from Q&As
1:41:45 Regolith problem
1:43:53 Mirror Universe
1:48:03 Fastest approaching star
1:50:04 Refraction of gravitational waves
1:51:30 Distance to Voyagers
1:52:57 Panspermia
1:55:48 SpaceX independence
2:00:46 Capitalism in space
2:03:38 Cosmic horizons
2:06:44 Orion VS Starliner
2:09:51 Effects from supernovae
2:12:11 Private streaming services
2:17:26 Starting fusion in Jupiter
2:22:32 Returning Starship
2:28:28 ZZ Top songs
2:30:12 Meteorites from Venus
2:31:16 Pioneer 6


📰 EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
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Astronomy Cast: http://www.astronomycast.com/


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Twitter: https://twitter.com/universetoday
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📩 CONTACT FRASER
[email protected]


⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
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Can Iron kill stars like poison? Will a Moon telescope be better than JWST? Can a fast-moving star be fatal for the Solar System? Which worlds are the best to extract resources? Answering all these questions and more in this week's episode of Overtime.


🦄 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
01:07 Did I discover that Triton is a star?
02:24 Best worlds for extracting resources
03:38 Would a telescope on the Moon see farther than JWST?
04:36 How would humans evolve on other worlds?
06:02 Planet orbiting binary red dwarf stars
06:52 Could a high-velocity star destroy the Solar System?
07:35 Is astronomy research only sustainable through taxes?
09:27 Can I recommend binoculars?
11:36 Is iron poison for stars?
12:41 Is the Universe 26 billion years old?
14:39 Does a planet need a magnetic field to be habitable?
15:52 Could there be a planet between the Sun and Mercury?
16:35 Could we dive into gas giant?
17:04 Opinion on naming exoplanets
17:48 Is JWST rewriting cosmology?
18:50 Am I sad that I won't see the story of humanity?


📺 VIDEO VERSION
https://youtu.be/I6r92Qm3Nns


📰 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
[email protected]


⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
Support Universe Today Podcast