Episoder
-
Those aren’t Dyson Spheres they’re hotDOGs, the best gravitational lens in the Universe, new Starlinks are really bright in the radio, and SpaceX recovers its SuperHeavy.
π¦ Support us on Patreon:
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https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:14 HotDOGs, Not Dyson Spheres
https://www.universetoday.com/168678/those-arent-dyson-spheres-theyre-hotdogs/
03:27 Best gravitational lens
https://www.universetoday.com/168672/this-might-be-the-best-gravitational-lens-ever-found/
04:44 Starlinks light pollution
https://www.universetoday.com/168658/second-generation-starlinks-are-32-times-brighter-in-radio-wavelengths/
07:07 SuperHeavy from a water grave
https://www.universetoday.com/168691/spacex-recovers-the-super-heavy-booster-from-flight-4/
08:08 Zebra rock on Mars
https://science.nasa.gov/blog/a-striped-surprise/
09:14 Vote results
09:53 Supernova and Earth life
https://www.universetoday.com/168687/how-a-nearby-supernova-left-its-mark-on-earth-life/
11:59 Two Chinese rocket hops
14:16 Guide to Space
14:35 Dyson sphere homework
πΊ VIDEO VERSION
https://youtu.be/2ipIUL64gLc
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Are we alone in the Universe? Probably, one of the most important questions one can ask. So, how are we currently trying to answer it and what happens when we finally do?
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
01:24 Searching for extraterrestrial life
19:35 Agnostic methods of searching for life
26:20 What happens if we find life
29:38 Life as we don't know it
34:36 Searching for interstellar life
46:38 Which method will give results first
50:46 What if we don't find life
55:05 Current obsessions
58:59 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/2_buH0GXFx8
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Mangler du episoder?
-
What happens if astronauts throw stuff from orbit? Can we travel through a black hole? What is our Sun's place in the Milky Way? How can human spaceflight become profitable? Answering all these questions and more in this week's Q&A show.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:34 [Alaris] What is the place of our Sun in the Milky Way?
05:00 [Ardena] How to find communities that care about space?
09:34 [Asuria] What happens if an astronaut throws something towards Earth?
12:23 [Belote] How big is the void we live in?
15:20 [Belsa] Can you travel through a black hole to another Universe?
18:38 [Cartego] How is Mercury closer to Earth than Venus?
19:52 [Chulak] Did different arms of the Milky Way come from different mergers?
22:16 [Dakara] How would we see the farthest galaxies disappear?
25:15 [Edora] How can human space flight become profitable?
27:24 [Goronak] Which human-made thing will be first to get to another star?
32:16 [Hadante] What are my favourite telescopes?
34:23 [Hebridan] Could supermassive black holes be made of lost anti-matter?
37:39 [Jenev] Can we reuse parts of ISS?
πΊ VIDEO VERSION
https://youtu.be/LE-0sY1tEjg
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Could we repair missions like JWST and Gaia? Polaris Dawn returns to Earth, did Earth once have rings? and a peanut-shaped asteroid just drifted past Earth.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:16 Repairing missions at L2
https://www.universetoday.com/168584/there-could-be-a-way-to-fix-spacecraft-at-l2-like-webb-and-gaia/
03:10 Polaris Dawn returns to Earth
https://polarisprogram.com/polaris-dawn-crew-returns-to-earth-achieving-major-objectives-during-their-five-day-mission/
05:22 Peanut-shaped asteroid flyby
https://www.universetoday.com/168616/nasa-watches-a-peanut-shaped-asteroid-drift-past-earth/
07:20 Earth might have had rings
https://www.universetoday.com/168579/earth-might-have-had-rings-half-a-billion-years-ago/
08:56 Earth's temporary moon
https://www.universetoday.com/168574/earth-will-have-a-tiny-new-mini-moon-for-a-few-months/
10:13 Vote results
10:54 Mission to Neptune
https://www.universetoday.com/168559/an-ambitious-mission-to-neptune-could-study-both-the-planet-and-triton/
13:22 Building a global light pollution map
https://gaia4sustainability.eu/gaia-4-sustainability/
14:35 Flying to Alpha Cen
https://www.universetoday.com/168534/new-video-shows-how-tiny-spacecraft-will-swarm-proxima-centauri/
16:19 More space news
16:58 Getting involved in science
πΊ VIDEO VERSION
https://youtu.be/hm44Blv5Y0k
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This is an unusual interview for my channel. It's mostly about AI, our current developments and the threats it poses to us.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
01:51 Arrival of LLMs
06:30 Alignment of AI
17:35 Existential dangers
18:58 The Pause AI movement
23:47 Safety
32:42 Wake-up calls and red lines
39:12 Possible response
41:43 AI as part of evolution
44:25 Simulation hypothesis and the Fermi Paradox
49:52 How to get involved
51:48 Current obsessions
57:19 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/A4M3Q_P2xP4
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What's the maximum speed you can get from a gravity assist? Can we have a double gravitational lens? What do you need to do to a phone to sent it to space? Answering all these questions and more in this week's Q&A show.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:25 [Alaris] Can phones survive in space?
06:10 [Ardena] Asteroid vs meteorite
07:27 [Asuria] What happened to Orion, Meade, and Coronado telescope companies?
09:51 [Belote] Can we learn something about a supernova that the Sun was created from?
13:35 [Belsa] Can there be double gravitational lenses?
15:16 [Cartego] Favourite thing to observe visually?
17:41 [Chulak] Can we make a 2 AU interferometer?
21:21 [Dakara] Why are black holes different in size and mass?
24:20 [Edora] What does Starliner's return mean?
27:31 [Goronak] Thoughts on Starlink polluting the sky?
32:34 [Hadante] Are public funds on space wasteful?
36:30 [Hebridan] Can NASA vs China space race boost exploration?
40:11 [Jenev] What is the speed limit that can be achieved by sling-shot around planets?
πΊ VIDEO VERSION
https://youtu.be/hSrp6VHjHbo
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Polaris Dawn launches and completes the first private spacewalk, the surface of a giant star is resolved with incredible detail, Starliner comes home empty, and amazing new images of Mercury from BepiColumbo.
π Asteroseismology interview:
https://youtu.be/pfbo4Ffzf9I
π¦ Support us on Patreon:
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https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:16 First ever spacewalk
02:30 A star with incredible resolution
03:57 Mars spiders
06:04 Starliner returns
07:49 New Glenn delay
10:00 Starship updates
12:57 Mercury flyby
14:14 Vote results
15:07 Formation of Sag A
16:58 Iron winds on WASP-76b
18:15 Water on exoplanets
19:58 Guide to space
20:39 Asking for a favour
πΊ VIDEO VERSION
https://youtu.be/gwWYzlXOIsw
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Stars oscillate. Even the Sun does. And we can learn a lot about them by studying those oscillations. How is it done and what can we learn? Finding out in this interview.
π£ Guest: Dr. Marc Hon
https://mtyhon.github.io/
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
01:39 What is Astroseismology
07:07 Measuring the oscillations of the Sun
12:45 Age of stars
24:17 The technique
36:03 Future instruments
49:32 Current obsessions
54:46 Final thoughts and more interviews
πΊ VIDEO VERSION
https://youtu.be/pfbo4Ffzf9I
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What would it take to bring the Voyagers back to Earth? When will we see a true deep field by Webb? Why is Europa Clipper solar-powered? Why do black holes rotate? Answering all these questions and more in this week's Q&A show.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:37 [Alaris] Can we bring Voyagers back?
04:50 [Ardena] JWST deep field wen?
08:40 [Asuria] Why Europa Clipper uses solar panels instead of an RTG?
11:55 [Belote] How do we know aliens don't exist?
13:51 [Belsa] Do black holes really merge?
16:19 [Cartego] How to choose a tripod for a pair of binoculars?
20:08 [Chulak] How do black holes rotate?
21:39 [Dakara] Were there any civilizations that just died?
24:59 [Edora] What happens when the Earth's magnetic poles flip?
28:12 [Goronak] When will the first child be born off Earth?
30:43 [Hadante] What kind of radiation is there in space?
πΊ VIDEO VERSION
https://youtu.be/BlMjWphwRr4
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Another asteroid hit exactly where astronomers predicted, a monster asteroid rolled Ganymede over onto its side, strange sounds coming from Starliner, and China announces when it’ll try to grab a piece of Mars.
π¦ Support us on Patreon:
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https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:13 Asteroid Over Philippines
02:04 Giant Ganymede impact
03:28 Strange sounds from Starliner
04:48 China's impressive space plans
07:54 Vote results
08:30 Primordial black holes
10:12 Drill for the Moon
11:25 Accretion disk
12:49 Guide to Space
13:32 Interferometers
πΊ VIDEO VERSION
https://youtu.be/We9w0o-_zuo
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Interferometers are a great tool for getting incredible resolution without building giant mirrors. Why don't all telescopes use it? What projects should we expect and what could we get from them? What are the challenges? Finding out in this interview!
π£ Guest: Dr. Gerard van Belle
https://lowell.edu/people/gerard-van-belle/
π Big Fringe Telescope:
https://arxiv.org/abs/2408.01386
π MoonLITE: a CLPS-delivered NASA Astrophysics Pioneers lunar optical interferometer for sensitive, milliarcsecond observing
https://arxiv.org/abs/2408.01392
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00:00 Intro
00:02:05 What is an interferometer
00:13:50 Interferometers in space
00:19:37 Interferometers on the Moon
00:39:03 Detecting exoplanets with interferometers
00:46:28 The bonkers idea
00:53:48 BFT
01:03:41 Current obsessions
01:08:02 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/wcR6gs0Up6k
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Could entangled electrons be used for FTL communications? Will Starship enable better satellites? Could we detect radiation on another world? Are there alternative explanations for black holes? Answering all these questions and more in this week's Overtime Q&A.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:31 Could entangled electrons be used for FTL communications?
01:50 Will we ever detect planets at Alpha Centauri?
03:37 Will Starship enable better satellites?
06:32 Could we detect radiation on another world?
07:24 Will New Horizons visit other dwarf planets?
07:49 Where did IFT-4 land?
09:08 What will it do for a heat shield?
11:35 Are we closer to discovering new physics?
13:23 How do large scale structures affect our understanding?
15:00 Any upcoming near-Earth asteroid missions?
15:36 How close are we to detecting life?
16:32 Will Roman go to L2?
17:01 What are some alternatives to black holes?
17:54 Favorite lifeform?
18:12 Will missions go to Mars polar caps?
18:42 Could telescopes have free floating components?
19:38 Could Venus be terraformed?
21:04 Are white holes real?
22:32 What is the hardest part for Starship?
πΊ VIDEO VERSION
https://youtu.be/9ugsq2mY1u0
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Is Betelgeuse a binary star? Starliner is coming home empty. New Glenn is on schedule to launch NASA’s next mission to Mars. NASA’s solar sail unfurls.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:14 Betelgeuse could be a binary star
02:08 No crew for Starliner
04:04 New Glenn launch date
06:07 Europa Clipper gets solar panels
09:06 NASA Solar sail deployed
11:12 Vote results
11:48 China's Moon plans
15:00 Cool images
17:29 More space news
18:05 Livestreams return
πΊ VIDEO VERSION
https://youtu.be/Lblcc3jtEW4
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Why does the Sun have an 11-year cycle? Would I rather have a Venus mission or a Jovian moon mission? Do black holes attract other black holes? Can Chinese astronomers use Hubble/Webb? Answering all these questions and more in this week's Overtime Q&A.
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:46 Why does the Sun have an 11-year cycle?
02:13 Do all stars have a stellar cycle?
02:57 Why no probe to Oumuamua?
03:56 What got me into space in the first place?
08:13 Is that my real name?
08:56 Would I rather have a Venus mission or Jovian moon mission?
09:21 How does China do space science?
13:37 Can Chinese astronomers use Hubble/Webb?
14:25 Do I play video games?
18:30 What color are neutron stars?
19:10 Could Starship lower flight times?
19:55 Do black holes attract other black holes?
21:23 Have I ever seen a moose?
22:20 Is AI proceeding too quickly?
26:57 Do I use a special space ChatGPT?
πΊ VIDEO VERSION
https://youtu.be/j248ozTEujs
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The DART mission is going to create a meteor shower on Earth, an explanation for the Wow! Signal, big problems with New Glenn, and JUICE completes a flyby of both the Earth and Moon.
π Plato Interview:
https://www.youtube.com/watch?v=TofP5yeqNLg
π JMG's Wow! Signal Interview:
https://youtu.be/4ck9IsczPNU
π Everyday Astronaut's Blue Origin Tour:
https://www.youtube.com/watch?v=rsuqSn7ifpU
π¦ Support us on Patreon:
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π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:14 DART Debris coming to Earth
https://www.universetoday.com/168109/debris-from-dart-could-hit-earth-and-mars-within-a-decade/
02:14 Water on Psyche
https://www.universetoday.com/168189/there-might-be-water-on-the-surface-of-the-metal-asteroid-psyche/
04:56 Wow! signal
https://www.universetoday.com/168176/the-wow-signal-deciphered-it-was-hydrogen-all-along/
08:09 New Glenn setback
https://futurism.com/the-byte/jeff-bezos-blue-origin-rocket-explodes-testing
10:14 Star escaping the Milky Way
https://www.universetoday.com/168167/citizen-scientists-find-a-star-escaping-the-milky-way/
11:48 Vote results
12:33 JUICE flyby
https://www.esa.int/ScienceExploration/SpaceScience/Juice/JuicereroutedtoVenusinworldsfirstlunar-Earth_flyby
14:07 Black hole feast
https://www.universetoday.com/168146/we-know-when-a-black-hole-will-have-its-next-feast/
16:02 Get ready for Polaris Dawn launch
https://polarisprogram.com/dawn/
18:13 Even more space news
18:50 Plato mission
πΊ VIDEO VERSION
https://youtu.be/4ck9IsczPNU
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Have I ever messed up a recording? Are there plans for new space stations? Is there a limit to the size of an orbital rocket? Will humanity survive the next mass extinction event? Answering all these questions and more in this week's Overtime Q&A.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:24 Can a software engineer help astronomers?
05:03 Do galaxies have ripples?
07:03 Can we build a telescope to study a specific planet?
09:14 Did I see the Apple ad?
15:15 Does AI hallucinate?
16:51 Is there a limit to the size of an orbital rocket?
17:57 Will humanity survive the next mass extinction event?
21:40 How would an electromagnetic cannon work?
24:56 Would Gaia work well at the orbit of Jupiter?
26:58 Will I get a new telescope?
28:10 Have I ever messed up a recording?
31:05 Are there plans for new space stations?
πΊ VIDEO VERSION
https://youtu.be/QEikPnzrMoo
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
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The quest to find an Earth-sized planet around a Sun-like star continues. One of the telescopes that could achieve it is ESA's Plato mission. How will it be able to do it and what should we expect from it? Finding out it this interview.
π£ Guest: Dr. David Brown
https://warwick.ac.uk/fac/sci/physics/research/astro/people/dbrown/
π Plato Telescope:
https://www.esa.int/ScienceExploration/SpaceScience/Plato
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
02:06 Kepler Telescope
06:00 Plato telescope
27:33 What will PLATO find
35:15 Astroseismology
38:39 Follow-ups
41:46 A better PLATO
46:38 Current obsessions
52:39 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/TofP5yeqNLg
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
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Twitter: https://twitter.com/universetoday
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Vast amounts of water found on Mars, but there’s a catch, Milky Way and Andromeda might not merge after all, a planet found before it gets destroyed, and an easier way to terraform Mars.
π Submit Your Questions for Patreon Q&A:
https://www.patreon.com/posts/110229335
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
00:16 Water found on Mars
02:55 Huge lake on Mars
04:20 Terraforming Mars
08:05 VIPER might be saved
09:38 Milkdromeda might not be happening
10:53 Vote results
11:28 Planet on the verge of destruction
13:09 New way of detecting supermassive black holes
14:21 Vera Rubin's secondary mirror
15:40 More space news
16:11 Livestreams and Q&A
πΊ VIDEO VERSION
https://youtu.be/oBfoM3TnYUE
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
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The final parsec problem is a mystery that is yet to be answered by cosmology. On paper, supermassive black holes shouldn't merge. But yet they do. Why is it happening? What helps them slow down? Could it be dark matter? Looking for answers in this interview.
π£ Guest: Dr. Gonzalo Alonso Álvarez
π Self-Interacting Dark Matter Solves the Final Parsec Problem of Supermassive Black Hole Mergers
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.021401
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Intro
02:33 Final parsec problem
10:46 Proposed solution
21:55 Dark matter
26:46 What if it's wrong
37:10 Current obsessions
39:09 Final thoughts
πΊ VIDEO VERSION
https://youtu.be/zAyoAtUUtug
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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π© CONTACT FRASER
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What's the most challenging part of Astronomy? What happened to Uranus? Which telescope to get for $200? Could we detect Voyager-like spacecraft flying through the solar system? Answering all these questions and more in this week's Q&A.
π¦ Support us on Patreon:
https://patreon.com/universetoday
π Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:47 What's challenging about astronomy?
01:48 What do I think about Planet 9?
04:02 Thoughts on Project Lyra?
07:02 What priorities would I give NASA?
10:13 Any recommendation on a $200 telescope?
11:43 What's most important in binoculars?
14:52 Why is Uranus on its side?
15:34 Do I want to see missions to Uranus and Neptune?
17:18 Are there any resources for learning astronomy math online?
18:24 Why is it harder to explore the inner Solar System?
19:51 Where do supermassive black holes come from?
22:04 Would we detect the Voyagers passing through the Solar System?
23:09 Does civilizations need the metals from kilonovae?
23:45 Could the Solar System make a new planet?
πΊ VIDEO VERSION
https://youtu.be/72VaI5kkf38
π° EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
π§ PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
π€³ OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
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π© CONTACT FRASER
[email protected]
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) - Se mer