Universe Today Podcast

Can we build star-tram-like launch facilities in space? What will JWST see next? Can red or brown dwarfs be the source of dark matter? Should SpaceX just be the only launch service for the USA so they can save money?

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• 00:00 Start

• 01:51 [Tatooine] Can we build star-tram-like launch facilities in space?

• 09:34 [Coruscant] Can red or brown dwarfs be the source of dark matter?

• 13:09 [Hoth] Can we see an Earth-sized planet orbiting a Sun-like star?

• 19:12 [Naboo] How to know JWST's plans?

• 21:37 [Kamino] How much more energy does it take to launch something in Nova Scotia versus the equator?

• 24:08 [Bespin] Will China own the Moon?

• 29:45 [Mustafar] Should SpaceX just be the only launch service for the USA?

• 31:39 [Alderaan] What would you ask to an alien if you meet one as a science reporter?

• 33:34 [Dagobah] Could a balloon on Venus use the temperature differences in the atmosphere for power?

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James Webb recently found six examples of galaxies that are too big too early. This discovery can significantly change our understanding of the early Universe. In this interview, I'm talking with Dr Joel Leja, who is a part of the team behind the research.

👉 More about the discovery:

https://www.universetoday.com/160243/six-galaxies-that-are-too-big-too-early/

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• 00:00 Intro

• 01:35 What it's like using JWST

• 02:40 Universe-Breaking Galaxies

• 07:02 If true, how does it change Cosmology

• 13:52 How the research can be wrong

• 18:18 Community response

• 22:00 "Rewriting" Astronomy

• 27:09 Outro

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Venus has active volcanoes, we get a glimpse of NASA’s new lunar exploration suits, and scientists build a completely flat telescope lens.

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• 00:00 Intro

• 00:13 Active Volcano Found On Venus
  
  

  • https://www.universetoday.com/160579/potentially-active-volcanoes-have-been-found-on-venus/

• 02:56 Vulcan Is No More
  
  

  • https://www.universetoday.com/160579/potentially-active-volcanoes-have-been-found-on-venus/

• 04:09 $1B to Deorbit the ISS
  
  

  • https://www.nasa.gov/news/budget/index.html

• 06:40 New Axiom spacesuits for the Moon
  
  

  • https://www.universetoday.com/160553/nasa-and-axiom-space-do-a-partial-reveal-of-the-spacesuit-that-will-be-worn-on-the-moon/

• 09:39 Malapert Massif
  
  

  • http://lroc.sese.asu.edu/posts/1294

• 10:38 What time is it on the Moon
  
  

  • https://www.universetoday.com/160453/what-time-is-it-on-the-moon-it-may-get-its-own-timezone/

• 12:03 Amazon Project Kuiper terminals revealed
  
  

  • https://www.aboutamazon.com/news/innovation-at-amazon/heres-your-first-look-at-project-kuipers-low-cost-customer-terminals

• 13:28 DART. Spinning asteroids throw rocks into space
  
  

  • https://www.universetoday.com/160574/didymos-is-spinning-so-quickly-that-rocks-are-detaching-at-its-equator-and-going-into-orbit/

• 14:49 More science results from New Horizons
  
  

  • https://www.universetoday.com/160547/new-horizons-pluto-team-updates-science/

• 16:01 Q&A Show

• 16:55 Flat Lens Telescope
  
  

  • https://www.universetoday.com/160510/researchers-build-a-telescope-with-a-flat-lens/

• 18:16 Violent Red Dwarfs
  
  

  • https://www.universetoday.com/160508/even-the-calmest-red-dwarfs-are-wilder-than-the-sun/

• 19:48 Outro

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In this interview, I'm talking with Heidi Newberg. Her team won a NIAC grant that will investigate building a telescope that will be hunting for Earth-like worlds. The project is called DICER, which stands for Diffractive Interfero Coronagraph Exoplanet Resolver.

🦄 Support us on Patreon:

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🌌 Milky Way @ home:

https://milkyway.cs.rpi.edu/milkyway/

👉 More about the NIAC project:

https://www.universetoday.com/160089/if-an-earthlike-planet-is-within-30-light-years-this-space-telescope-will-find-it/

• 00:00 Intro

• 01:22 How hard it is to observe the Milky Way

• 05:28 Mindset shift in Astronomy

• 07:56 NIAC idea: Telescope Design

• 16:00 Fancy Physics

• 22:50 Targets for the telescope

• 39:10 Next steps

• 42:38 Milky Way @ home

• 47:35 Outro

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How does Venus hold its atmosphere without a magnetosphere? Is the Sun moving to the Milky Way's centre? What happens when the space elevator cable snaps? Can we solve the Hubble Tension? All this and more in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 00:47 [Tatooine] How does Venus hold its atmosphere without a magnetosphere?

• 03:58 [Coruscant] Which is the best target for the Solar Gravitational Lens telescope?

• 06:40 [Hoth] Why aren't there more launch complexes near the equator?

• 10:00 [Naboo] Should you use 'microgravity' instead of 'zero gravity'?

• 11:37 [Kamino] How does the Milky Way look from the ISS?

• 13:03 [Bespin] Why doesn't Jupiter catch fire if it's flammable gas?

• 15:28 [Mustafar] Will I ever go to space?

• 18:33 [Alderaan] Is the Sun moving to the Milky Way's centre?

• 20:55 [Dagobah] What happens when the space elevator cable snaps?

• 22:58 [Yavin] How does time dilation change interstellar flights?

• 25:18 [Mandalore] Why don't we make space probes more definitive?

• 29:43 [Geonosis] What is my favourite recent Sci-Fi novel?

• 31:30 [Corellia] Have I ever seen a UFO?

• 32:23 [Crait] Can we solve the Hubble Tension?

• 34:39 [Endor] How weight changes on top of Mount Everest?

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Can there be habitable planets orbiting around red dwarfs? My guest, Mariano Battistuzzi, performed experiments to check it! So, can life survive in the conditions created by red dwarf stars? Let's find out in this interview.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 00:55 How bad are red dwarfs for life

• 04:20 Experiments to test habitability

• 13:10 Potential ecosystems near red dwarfs

• 18:57 Biosignatures to look for

• 21:20 Other extreme places

• 24:10 What's next

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The official verdict on Artemis 1. Canadian kids discovered something NASA didn’t know. Was there a Dark Big Bang? The next bright comet for 2024.

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• 00:00 Intro

• 00:11 SLS Good For Humans. Artemis 2 in 2024
  
  

  • https://www.nasa.gov/feature/analysis-confirms-successful-artemis-i-moon-mission-reviews-continue

• 02:23 Canadian Kids Discover Things About Space NASA Didn’t Know

• 03:58 Dark Big Bang
  
  

  • https://www.universetoday.com/160285/the-universe-may-have-started-with-a-dark-big-bang/

• 07:05 China’s Huge 10-meter Fuel Tank
  
  

  • https://mp.weixin.qq.com/s/ANBmxXUY74JlmhFDmc5cwQ

• 08:45 Japan’s H3 Failure

• 09:59 Space Balloons
  
  

  • https://www.universetoday.com/160415/want-to-soar-to-the-stratosphere-japan-joins-the-balloon-tourism-race/

• 11:03 Mysterious Blob
  
  

  • https://www.universetoday.com/160318/a-mysterious-blob-near-the-milky-ways-supermassive-black-hole-might-finally-have-an-explanation/

• 12:20 Support us on Patreon

• 13:14 Hubble Drops Below Starlink
  
  

  • https://www.universetoday.com/160405/hubbles-orbit-has-dropped-so-far-that-starlink-satellites-are-photobombing-its-images/

• 15:01 Hubble VS Roman
  
  

  • https://www.universetoday.com/160387/it-would-take-hubble-85-years-to-match-what-nancy-grace-roman-will-see-in-63-days/

• 16:43 Juno’s Flyby of Io
  
  

  • https://www.universetoday.com/160400/just-dropped-new-close-up-images-of-io-from-juno-with-more-to-come/

• 17:44 A Bright Comet for 2024
  
  

  • https://www.universetoday.com/160400/just-dropped-new-close-up-images-of-io-from-juno-with-more-to-come/

• 19:08 Outro

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Making habitats from available materials will be a big part of Mars missions. One of the 2023 NIAC awards explored the possibility of growing structures on Mars with the help of fungi and bacteria. We're discussing this project with Dr Congrui Jin.

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👉 More about the NIAC award:

https://www.universetoday.com/159635/instead-of-building-structures-on-mars-we-could-grow-them-with-the-help-of-bacteria/

• 00:00 Intro

• 01:21 Growing Structures on Mars

• 08:37 Self-healing materials

• 10:40 Using this tech on Earth

• 12:36 Next steps

• 17:44 When can we expect it

• 22:02 Outro

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How long can a modern spacecraft last on Venus? How to develop electronics, batteries and other things that can survive these harsh conditions? What could the lifespan of such a mission be? We discuss all that with Dr Tibor Kremic from NASA Glenn Research Center.

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00:00 Intro

01:17 How bad Venus really is

03:27 What it takes to last on Venus

06:40 Chips that can survive on Venus

13:59 Batteries for Venus

18:45 Time-based measurements of Venus

23:03 Moving on the surface of Venus

26:32 Clockwork rovers

30:30 High-temperature solar cells

33:00 Advantages of Venus

42:29 Outro

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How many stars did our radio signals reach? How to visualize the expansion of the Universe? Can we save the Earth from the Sun's red giant phase? How can we tell that an object has interstellar origin? All this and more in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 01:02 [Tatooine] If the Sun is white, are sunspots really black?

• 05:19 [Coruscant] How many stars did our radio signals reach?

• 08:51 [Hoth] How do gravitational assists work?

• 11:43 [Naboo] How to visualize the expansion of the Universe?

• 13:35 [Kamino] How will the Mars sample return mission find all the dropped tubes?

• 16:27 [Bespin] Can Earth survive the Red Giant phase of the Sun?

• 20:16 [Mustafar] What effect will a supernova have on nearby stars?

• 21:51 [Alderaan] Should the US continue to explore space?

• 24:16 [Dagobah] Can we time travel with a wormhole?
  

• 26:59 [Yavin] What killed the Chinese Mars rover?

• 29:32 [Mandalore] How does light pollution work?

• 33:04 [Geonosis] How can we tell that an object is interstellar?

📺 VIDEO VERSION

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How do you plan a trip through the Solar System? What are the orbital mechanics tools that can be used for that? How can all that be used to intercept an interstellar visitor like Oumuamua?

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• 00:00:00 Intro

• 00:01:15 Orbital mechanics

• 00:08:50 Planning missions to outer planets

• 00:11:15 Special orbits

• 00:14:40 Gravitational assists

• 00:20:45 Going to the Sun

• 00:24:40 Lowest energy highways

• 00:27:44 Going to asteroids

• 00:34:10 Intercepting interstellar objects

• 00:41:07 Propulsion systems

• 00:52:40 What would a realistic mission look like

• 01:00:30 Interstellar sample return

• 01:03:14 Galactic orbits

• 01:07:37 Outro

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Hubble shows us exactly what happened after DART’s impact, a new way to clean off lunar regolith, seeing the same supernova at three different times in a gravitational lens, and a new version of Starlink launches.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 00:15 Hubble's View of DART
  
  

  • https://www.universetoday.com/160346/remember-the-dart-impact-hubble-made-a-movie-of-the-debris/

• 01:54 Fixing Moon's Dust Problem
  
  

  • https://news.wsu.edu/press-release/2023/02/28/liquid-nitrogen-spray-could-clean-up-stubborn-moon-dust/

• 04:39 Astronomers Saw an Exoplanet Exactly Where Expected
  
  

  • https://www.universetoday.com/160247/astronomers-suspected-there-should-be-a-planet-here-and-then-they-took-a-picture-of-it/

• 06:23 JWST and the Epoch of Reionization
  
  

  • https://www.universetoday.com/160288/the-james-webb-is-getting-closer-to-finding-what-ionized-the-universe/

• 08:34 Webb's Triple Gravitational Lens
  
  

  • https://www.universetoday.com/160353/jwst-sees-the-same-supernova-three-times-in-an-epic-gravitational-lens/

• 09:58 The Planet That Shouldn’t Exist
  
  

  • https://www.universetoday.com/160278/the-planet-that-shouldnt-exist/

• 11:44 NIAC Month on the Channel

• 12:44 Starlink V2 Mini

• 13:55 Crew-6 Launch

• 14:55 Replacement Soyuz Reaches ISS
  
  

  • https://www.universetoday.com/160292/a-replacement-soyuz-arrives-safely-at-the-international-space-station/

• 16:23 Outro

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In this interview, I'm talking with Shawn Buckley who is the Senior Director of Engineering at Sierra Space. We talk about the development of their LIFE module, discuss how inflatable habitats can change space exploration and what part they play in humanity's space future.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 01:32 Burst tests

• 02:50 What is the LIFE Module

• 08:00 Working with NASA

• 09:11 Risks of inflatable habitats

• 15:33 Inside the module

• 18:39 Deployment in space

• 25:14 Project timeframe

• 27:20 Future applications

• 39:29 Humanity in space

• 41:06 Outro

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Could black holes collapse directly in the early Universe? How do two galaxies become one after they collide? How would you communicate time units to aliens? How much will Starship change the prices of space launches? All this and more in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 00:50 [Tatooine] How do direct collapse black holes work?

• 06:20 [Coruscant] How can two galaxies form one?

• 08:34 [Hoth] How to communicate time units to aliens?

• 11:07 [Naboo] What Astronomy research areas don't get to the news?

• 16:15 [Kamino] How do I come up with questions for interviews?

• 21:42 [Bespin] How can we claim exoplanets non-habitable?

• 25:19 [Mustafar] Does humanity have a chance at all?

• 27:56 [Alderaan] How much cheaper will space travel be after Starship?

• 31:35 [Dagobah] Why do science communicators not emphasize the impossibility of faster-than-light travel?

• 35:34 [Yavin] Best places for stargazing?

• 37:32 [Mandalore] How do we know black holes are spinning?

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Dr Michael Way explains how we can explore Venus, study its atmosphere and understand what hides underneath. It's also a crucial part of astrobiology and studying exoplanets.

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👉 Dr Michael Way on Google Scholar:

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• 00:00 Intro

• 01:32 Venus. Earth gone wrong

• 04:20 Exploring Venus with future missions

• 23:23 Surviving on Venus for longer

• 28:22 Pushing the limits with Venus

• 34:20 Venus as an exoplanet

• 37:25 Outro

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Perseverance has been on Mars for two years, are black holes the source of dark energy?, Universe-breaking galaxies found, and an early warning system for asteroids.

⚫ Breakthrough In Dark Energy? Here's What The Researchers Have To Say:

https://youtu.be/-8CIUzPkigQ

🦄 Support us on Patreon:

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• 00:00 Intro

• 00:15 Mars Anniversary
  
  

  • https://www.universetoday.com/160201/follow-perseverance-on-its-mars-journey-with-this-two-year-timelapse/

• 03:42 Too Big Too Early
  
  

  • https://www.universetoday.com/160243/six-galaxies-that-are-too-big-too-early/

• 05:51Source of Dark Energy
  
  

  • https://www.universetoday.com/160139/are-black-holes-the-source-of-dark-energy/

• 08:20 Moon’s permanently shadowed craters
  
  

  • https://www.universetoday.com/160038/new-spacecraft-can-see-into-the-permanently-shadowed-craters-on-the-moon/

• 09:50 Lunar Flashlight problems

• 10:40 Support Us on Patreon

• 11:34 Europe’s Early Warning System for Asteroids
  
  

  • https://www.universetoday.com/160181/esa-is-building-an-early-warning-system-for-dangerous-asteroids/

• 13:20 500-meter long asteroid
  
  

  • https://www.universetoday.com/160212/a-500-meter-long-asteroid-flew-past-earth-and-astronomers-were-watching/

• 15:08 Mercury Transit from Solar Orbiter
  
  

  • https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Mercury_s_black_disc_helps_sharpen_Solar_Orbiter_s_view

• 15:56 Outro

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What effect would a rogue gas giant have if it flew through the Solar System? Can fish survive in microgravity and go to space? Do hypervelocity stars leave a wake we could detect? How much do we actually know about Proxima Centauri? All this and more in the week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

00:00 Start

01:08 [Tatooine] Can life exist on an Earth-sized moon of a gas giant?

06:42 [Coruscant] Do hypervelocity stars leave a wake we could detect?

10:50 [Hoth] What's the thickness of the event horizon of a black hole?

13:16 [Naboo] What is the speed of gravity?

18:34 [Kamino] What would be the consequences of a rouge Jupiter?

21:44 [Bespin] Can fish go to space?

23:34 [Mustafar] What are the temperatures of black holes?

25:53 [Alderaan] How much do we actually know about Proxima Centauri?

27:29 [Dagobah] Can rogue planets have an atmosphere?

31:44 [Yavin] How to track possible primordial black holes?

35:44 [Mandalore] Does red/blue shift include all frequencies?

📺 VIDEO VERSION

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A recent research paper suggests that supermassive black holes can be the source of dark energy. It's a big potential breakthrough in Astronomy. So, here's what the co-author of the study, Dr Chris Pearson from STFC RAL Space, has to say about it.

🦄 Support us on Patreon: https://patreon.com/universetoday

👉 More about the research:

https://www.universetoday.com/160139/are-black-holes-the-source-of-dark-energy/

• 00:00 Intro

• 01:36 How did the paper come together

• 03:36 Connection between Dark Energy and Black Holes

• 06:48 Observations behind the research

• 14:37 Causation or just correlation?

• 21:20 Redefining what black holes are

• 25:27 Dark Energy core of a black hole

• 27:53 Nature of dark energy

• 35:35 Will Dark Energy tear the Universe apart?

• 38:30 What's next

• 40:11 Outro

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Blue Origin wants to build solar panels on the Moon, out of the Moon, SpaceX sold its floating landing pads, and another asteroid hits Earth exactly where and when astronomers predicted.

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🔴 Mars Mission Interview with Rick Davis: https://youtu.be/tujL0xrQ2Os

🟡 JWST Interview with Lee Feinberg: https://youtu.be/eXchT7mtEao

🔵 Interstellar Travel Interview with Andrew Higgins: https://youtu.be/SkGRVvA23qI

🟣 Interview Playlist: https://www.youtube.com/playlist?list=PLbJ42wpShvmnK1xmCRad_8bn0uOcmLiIE

• 00:00 Intro

• 00:15 Blue Origin's Blue Alchemist
  
  

  • https://www.blueorigin.com/news/blue-alchemist-powers-our-lunar-future/

• 02:01 SpaceX Sold Phobos and Deimos

• 03:36 Asteroid Hits Over English Channel
  
  

  • https://www.universetoday.com/160098/another-meteoroid-discovered-right-before-it-hits-the-atmosphere/

• 05:58 A Galaxy Almost Entirely Made Of Dark Matter
  
  

  • https://www.universetoday.com/160105/a-galaxy-has-been-found-thats-almost-entirely-dark-matter/

• 08:28 Russia Causes Yet Another Problem in Orbit
  
  

  • https://www.universetoday.com/160126/another-russian-spacecraft-is-leaking-coolant/

• 10:12 Interviews

• 12:26 Rogue Supermassive Black Hole
  
  

  • https://www.universetoday.com/160072/astronomers-spot-a-rogue-supermassive-black-hole-hurtling-through-space-leaving-star-formation-in-its-wake/

• 14:27 Mass Migration of Stars in Andromeda
  
  

  • https://www.universetoday.com/159995/astronomers-uncover-mass-migration-of-stars-into-andromeda/

• 15:58 Outro

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Why don't we just combine all telescopes into a single one that will have a crazy resolution? Can we simply replace old ISS modules with new ones? How long will it take to cool down Venus? How much mass can the Earth afford to lose? Why blue shift exists if the Universe is expanding? All this and more in this week's Q&A

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 01:04 [Tatooine] How much mass can the Earth lose?

• 04:23 [Coruscant] Can a Dyson sphere be stable?

• 08:36 [Hoth] How long till we cool Venus down?

• 14:34 [Naboo] How many atoms are there in the Universe?

• 15:46 [Kamino] Can you combine all Earth telescopes into one?

• 22:47 [Bespin] Will we ever see self-replicating probes?

• 25:51 [Mustafar] Wen LUVOIR?

• 28:22 [Adleraan] Can we save Hubble?

• 30:09 [Dagobah] Why blue shift exists if the Universe is expanding?

• 32:16 [Yavin] Why not just replace old modules of the ISS?

📺 VIDEO VERSION

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This is an interview with me that we did with the Wiser Tomorrow Podcast. We talked about covering space news at Universe Today, how I run the company and what's my perception of some stories I cover. Enjoy!

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👉 Wiser Tomorrow Podcast:

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SpaceX tests all 33 engines on super heavy, the worst-case scenario for space debris actually happened, a kilonova is coming, and a new map of all the matter and dark matter in the Universe.

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• 00:00 Intro

• 00:15 SpaceX Conducts 33-engine test of Super Heavy
  
  

  • https://www.universetoday.com/160008/spacex-sets-new-record-with-successful-test-firing-of-31-raptor-engines/

• 01:28 Bad things happened in orbit
  
  

  • https://www.universetoday.com/159997/a-russian-satellite-has-broken-into-pieces-littering-debris-in-space/

• 03:59 Ion beam sheparding
  
  

  • https://www.sciencedirect.com/science/article/abs/pii/S0094576523000553

• 07:24 Google's AI costly mistake about James Webb
  
  

  • https://www.reuters.com/technology/google-ai-chatbot-bard-offers-inaccurate-information-company-ad-2023-02-08/

• 09:35 A kilonova is coming
  
  

  • https://www.universetoday.com/159910/this-binary-system-is-destined-to-become-a-kilonova/

• 12:20 Email newsletter

• 13:20 A massive black hole in a very young Universe
  
  

  • https://www.universetoday.com/159914/hungry-black-hole-was-already-feasting-800-million-years-after-the-big-bang/

• 15:42 A new map of the Universe
  
  

  • https://www.universetoday.com/159982/astronomers-make-a-new-map-of-all-the-matter-and-dark-matter-in-the-universe/

• 18:05 More destruction tests from Sierra Space
  
  

  • https://www.universetoday.com/159968/sierra-space-tests-another-inflatable-space-station-module-to-destruction/

• 20:16 Outro

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Lava tubes can be a solution to a lot of our space problems. They can provide habitat space on Moon, Mars and even beyond. But how do we prepare to explore them? That's what we're discussing with Professor Francesco Sauro.

🦄 Support us on Patreon: https://patreon.com/universetoday

👉 Prof. Francesco Sauro: https://www.unibo.it/sitoweb/francesco.sauro2/en

👉 Twitter: https://twitter.com/cescosauro

👉 La Venta Association: https://laventa.it/

• 00:00 Intro

• 01:16 Getting into caves

• 02:32 Why lava tubes are interesting

• 04:00 Challenges associated with caves

• 08:10 How to train astronauts for lava tubes

• 15:15 What can we find in lava tubes on Moon and Mars

• 20:32 Lava tubes as habitats

• 27:57 Ice caves on Europa, Enceladus and Mars

• 32:15 Outro

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Is there a habitable zone around a black hole? Can you get stuck in the middle of a big space station? How will Starship get human-rated? Why is the Fermi Paradox even a paradox? All this in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 01:03 [Tatooine] Can you get stuck in a space station?

• 06:07 [Coruscant] How is Fermi Paradox even a paradox?

• 09:33 [Hoth] Is there a habitable zone around a black hole?

• 14:46 [Naboo] What are the highest velocities stars have been recorded travelling?

• 16:55 [Kamino] Will galaxies fall apart?

• 20:34 [Bespin] Why is there a Crisis in Cosmology?

• 23:06 [Mustafar] Is Starship good for humans?

• 26:41 [Alderaan] What will investment in space look like in the future?

• 30:07 [Dagobah] How to observe dark matter?

• 32:56 [Yavin] What's the origin of our Solar System?

• 36:44 [Mandalore] How long till the sports on other planets?

• 38:52 [Geonosis] Is there oil on Mars?

📺 VIDEO VERSION

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Webb is fully operational again, Rolls-Royce is building a nuclear reactor for the Moon, and the space debris worst-case scenario almost happened.

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• 00:00 Intro

• 00:14 James Webb is fully operational again
  
  

  • https://www.universetoday.com/159897/good-news-webb-is-fully-operational-again/

• 01:46 Rolls-Royce Nuclear Reactor for Space
  
  

  • https://www.universetoday.com/159859/rolls-royce-reveals-a-nuclear-reactor-that-could-provide-power-on-the-moon/

• 03:46 Very Nasty Space Collision Almost Happened
  
  

  • https://twitter.com/LeoLabs_Space/status/1619057013992071168

• 07:09 Drag Sail Success
  
  

  • https://www.universetoday.com/159903/drag-sail-success-this-satellite-wont-turn-into-space-junk/

• 08:47 Destroying Rubble Pile Asteroids
  
  

  • https://www.universetoday.com/159766/dont-bother-trying-to-destroy-rubble-pile-asteroids/

• 11:10 Q&A with Fraser

• 12:11 Extremely Heavy Early Stars
  
  

  • https://www.universetoday.com/159800/the-first-stars-may-have-weighed-more-than-100000-suns/

• 14:46 12-Year Exoplanets Timelapse
  
  

  • https://www.universetoday.com/159875/watch-this-12-year-timelapse-of-exoplanets-orbiting-their-star/

• 18:33 Measuring the Mass Of A Dead Star With Microlensing
  
  

  • https://www.cam.ac.uk/stories/light-bending-around-star

• 21:48 Outro

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How will a human Mars mission play out? Where exactly should it go? What unexpected challenges will we face? We're discussing all these aspects with Rick Davis. He is the Assistant Director for Science and Exploration, NASA’s Science Mission Directorate.

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🐦 Rick Davis on Twitter: https://twitter.com/redplanetrick

👉 NASA Blog Article on choosing the landing site on Mars:

https://blogs.nasa.gov/redplanetdispatch/2022/12/13/criteria-for-landing-site-selection/

• 00:00:00 Intro

• 00:01:29 Training for Mars on Earth

• 00:07:11 Choosing a landing site

• 00:20:37 Unexpected challenges of Mars

• 00:52:38 Planetary protection

• 00:56:51 Exploring lava tubes

• 00:59:49 What's next?

• 01:09:24 Outro

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Can you maintain a stable orbit with just a solar sail? Will a Dyson sphere or swarm kill all life inside of it? Can you protect yourself from a solar flare? What's the oldest ice in the Universe? All this and more in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 00:48 [Tatooine] Can you maintain orbit with just a solar sail?

• 06:44 [Coruscant] Does a Dyson sphere kill all life inside of it?

• 11:04 [Hoth] Can a Faraday cage protect from a solar flare?

• 13:52 [Naboo] Can there be a stable irregular-shaped planet?

• 17:45 [Kamino] How small can a rocket be?

• 19:35 [Bespin] Can we detect artificial light on Proxima b?

• 22:54 [Mustafar] How old was the Universe when first ice was able to form?

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Starship completes its wet-dress rehearsal, another problem for Webb, a nuclear rocket test is coming, and more cool NIAC grants.

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👉 First NIAC Interview:

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• 00:00 Intro

• 00:14 Starship Wet Dress Rehersal

• 03:18 JWST's NIRISS problems
  
  

  • https://www.universetoday.com/159790/webb-niriss-instrument-has-gone-offline/

• 04:57 Webb's first occultation

• 07:46 Extremely Close Asteroid Flyby
  
  

  • https://www.jpl.nasa.gov/news/nasa-system-predicts-small-asteroid-to-pass-close-by-earth-this-week

• 09:37 DARPA Nuclear Rocket Test by 2027
  
  

  • https://www.nasa.gov/press-release/nasa-darpa-will-test-nuclear-engine-for-future-mars-missions

• 12:05 How to Miniaturize Nuclear Batteries
  
  

  • https://www.universetoday.com/159692/exploring-the-outer-solar-system-takes-power-heres-a-way-to-miniaturize-nuclear-batteries-for-deep-space/

• 14:26 Tiny tiny tractor beam
  
  

  • https://www.universetoday.com/159695/scientists-build-a-teeny-tiny-tractor-beam/

• 15:56 Support us on Patreon

• 16:44 Growing Structures on Mars
  
  

  • https://www.universetoday.com/159635/instead-of-building-structures-on-mars-we-could-grow-them-with-the-help-of-bacteria/

• 18:30 Light Pollution Is Getting Worse
  
  

  • https://www.universetoday.com/159704/light-pollution-is-obscuring-the-night-sky-rip-stargazing/

• 21:27 Outro

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What if two black holes with opposing spin merge? Can we use the Moon's L2 Lagrange point? How habitable are Mars's lava tubes? Can Starships compensate for satellite light pollution? All this and more in this week's episode Q&A with Fraser Cain.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 01:09 [Tatooine] What if two black holes with opposing spin merge?

• 06:16 [Coruscant] When will the first person be born in space?

• 10:24 [Hoth] Can we use the Moon's L2 Lagrange point?

• 15:39 [Naboo] Can a captured planet lurk in the Oort cloud?

• 18:51 [Kamino] What about the dark forest hypothesis?

• 23:06 [Bespin] How habitable are Mars lava tubes?

• 27:15 [Mustafar] Can we use radars to identify asteroids?

• 29:36 [Alderaan] Can Starships compensate for satellite light pollution?

• 34:28 [Dagobah] Why does NASA never show us the spacecraft travelling in space?

• 38:18 [Yavin] Where would I time travel?

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The Titan Dragonfly is coming together, NASA is considering a new kind of nuclear rocket, getting more warning for solar flares, and pinpointing carbon emissions from space.

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• 00:00 Intro

• 00:15 Titan Helicopter Starts to Come Together
  
  

  • https://www.universetoday.com/159611/nasa-is-continuing-to-build-the-titan-dragonfly-helicopter-here-are-its-rotors/

• 02:38 New NIAC Nuclear Rocket Design
  
  

  • https://www.universetoday.com/159599/new-nuclear-rocket-design-to-send-missions-to-mars-in-just-45-days/

• 05:57 Lunar Flashlight Has Propulsion System Problems

• 07:25 Solar Flashes and Flares

• 09:36 CO2 from Space
  
  

  • https://www.universetoday.com/159580/nasa-satellites-can-pinpoint-the-exact-locations-of-excessive-co2-emissions/

• 11:21 Support us on Patreon

• 12:40 Orphaned Protostar
  
  

  • https://www.universetoday.com/159539/astronomers-spot-an-orphaned-protostar/

• 14:27 Measuring the Universe with Shadows
  
  

  • https://www.universetoday.com/159543/using-the-shadows-of-clusters-to-measure-the-universe/

• 16:26 Outro

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Should we change "Dark Matter" to "Dark Curvature"? How do you navigate through dense asteroid fields? What's the future of space toilets? Do aliens block their outgoing signals? All these and more in this week's Q&A with Fraser Cain.

🦄 Support us on Patreon: https://patreon.com/universetoday

00:00 Start

00:58 [Tatooine] How do you navigate through dense asteroid fields?

04:02 [Coruscant] Should we change "Dark Matter" to "Dark Curvature"?

07:57 [Hoth] How far can we communicate?

10:49 [Naboo] How can we solve the Fermi paradox?

17:35 [Kamino] What's the future of space toilets?

19:51 [Bespin] Can we avoid the great filter?

22:53 [Mustafar] Why the CMB doesn't go away?

25:35 [Alderaan] Do aliens block their outgoing signals?

27:33 [Dagobah] Can we create a magnetic shield for our spaceships?

30:39 [Yavin] Can aliens detect Earth as a habitable world?

31:44 [Mandalore] Does gravity extend forever?

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Keep your eyes on the sky for a comet, another Mars rover has died, the leaky Soyuz is going to be replaced, JWST dominates the American Astronomical Society meeting, and is Starship just around the corner?

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 00:17 A Good Comet is Coming
  
  

  • https://www.universetoday.com/159454/comet-e3-ztf-brightens-as-the-first-good-comet-of-2023/

• 02:47 Another One Bites The Martian Dust
  
  

  • https://www.universetoday.com/159553/china-unable-to-reestablish-contact-with-its-zhurong-mars-rover/

• 06:36 The Leaky Soyuz Needs to Be Replaced

• 08:36 James Webb Finds Its First Exoplanet
  
  

  • https://www.universetoday.com/159581/the-webb-has-confirmed-its-first-exoplanet-and-its-the-same-size-as-earth/

• 10:57 Star Disk from JWST

• 12:49 Early Galaxies from James Webb
  
  

  • https://www.universetoday.com/159567/the-james-webb-links-modern-oddball-galaxies-to-ancient-galaxies-in-the-cosmic-dawn/

• 14:55 Support us on Patreon

• 15:55 NIAC Awards

• 18:03 Starship Gets Closer to First Orbital Test

• 19:29 Build your own ELT
  
  

  • https://universetoday.com/159565/need-a-project-you-can-build-a-paper-model-of-the-extremely-large-telescope/

• 20:41 Outro

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Mapping out all the space objects and understanding their orbits is the key to avoiding problems in orbit. What are the technical challenges and what's the current state of affairs? We're discussing it with Dr. Moriba Jah.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 01:28 Current state of the orbit

• 07:04 Kessler Syndrome

• 14:57 Risks on Different Altitudes

• 17:41 Access to the Night Skies

• 22:33 An Ideal Solution

• 31:57 Future of Humanity

• 34:30 Outro

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How do we determine the velocities of objects in distant space? Can we use a laser a space engine on a spaceship? Can we find stars with rings? Is it possible to see the same star at different stages of its life? All this and more in this week's Q&A.

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• 00:00 Start

• 02:21 [Tatooine] Can stars have rings?

• 07:59 [Coruscant] Can we see stars at different life stages with gravitational lensing?

• 11:29 [Hoth] Why not launch payloads from orbit?

• 14:30 [Naboo] What would happen if time stopped?

• 16:20 [Kamino] Does Elon/Twitter impact spaceflight confidence?

• 18:28 [Bespin] How can there be life on cold moons?

• 22:49 [Mustafar] What if a meteor hits the Moon while astronauts are there?

• 25:58 [Alderaan] Shouldn't ETs be benevolent like Vulcans and not malevolent like Klingons?

• 27:51 [Dagobah] How do we determine the speeds of objects in space?

• 30:06 [Yavin] Why go back to the Moon?

• 32:08 [Mandalore] Do you ever get tired of speculating and not lending your intellect to progress?

• 34:14 [Geonosis] Wen JWST Deep Field?

• 35:20 [Corellia] Why is Sag A disk not aligned with the galaxy?

• 37:23 [Crait] Will there be a Mars colony this century?

• 39:43 [Endor] Could we use a laser as an engine on a spaceship?

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NASA is looking for dangerous asteroids, Io is blasting lava into space, the solar wind could be creating water on the Moon, space power is finally getting a test.

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• 00:00 Intro

• 00:15 NASA Makes Asteroid Defence a Priority
  
  

  • https://www.universetoday.com/159395/nasa-makes-asteroid-defense-a-priority-moving-its-neo-surveyor-mission-into-the-development-phase/

• 02:49 Io Is Having a Major Vulcanic Outburst
  
  

  • https://www.universetoday.com/159466/io-is-having-a-major-volcanic-outburst/

• 04:57 Solar Wind Might Create Water on the Moon
  
  

  • https://www.universetoday.com/159420/the-solar-wind-is-creating-water-on-the-surface-of-the-moon/

• 07:04 Structures on the Moon Could Be Build With Microwaves
  
  

  • https://www.universetoday.com/159427/want-to-build-structures-on-the-moon-just-blast-the-regolith-with-microwaves/

• 09:14 How to Navigate on the Moon
  
  

  • https://www.universetoday.com/159409/navigation-could-be-done-on-the-moon-just-by-looking-at-nearby-landmarks/

• 11:00 South Korea’s Lunar Photos
  
  

  • https://phys.org/news/2023-01-south-korea-lunar-orbiter-photos.html

• 11:55 Support us on Patreon

• 13:07 China’s Considering Where to Build Lunar Station
  
  

  • https://www.universetoday.com/159429/china-is-considering-where-to-build-a-lunar-research-station/

• 15:07 Space-Based Power Test

• 16:57 Outro

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This is part 2 of an interview I did with John Michael Godier on his show called Event Horizon. We talked about the Fermi Paradox and possible solutions to it.

⚫ Event Horizon Show

https://www.youtube.com/@EventHorizonShow

📺 VIDEO VERSION

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We can build space habitats from asteroids by spinning them fast enough. That's what Professor Adam Frank suggests in a recent paper he co-wrote. In this interview, we discussed the idea, how realistic it is and what technology will be needed to achieve it, what applications it can have and when we can expect something like that.

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 01:35 Meet Professor Adam Frank

• 02:27 Building space habitats from asteroids

• 13:16 Materials required to achieve that

• 18:00 Generation ships

• 24:52 Asteroid mining

• 27:29 Exponential technological progress

• 34:45 Great Realistic SciFi

• 35:56 Outro

Professor Adam Frank on Twitter: https://twitter.com/AdamFrank4

Habitat Bennu: Design Concepts for Spinning Habitats Constructed From Rubble Pile Near-Earth Asteroids

https://www.frontiersin.org/articles/10.3389/fspas.2021.645363/full

The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion, and Steady States

https://iopscience.iop.org/article/10.3847/1538-3881/ab31a3/meta

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2022 has definitely been one of the best space years ever. James Webb, SLS, DART and many other major successes. So, let's turn around and remember what did 2022 bring us.

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• 00:00 Intro

• 00:52 James Webb

• 04:27 Artemis 1

• 07:15 Milky Way's black hole by EHT

• 08:39 DART

• 10:53 Decadal Survey

• 12:43 China's progress

• 14:58 InSight mission ended

• 16:47 SOFIA telescope discontinued

• 18:30 Things that didn't happen

• 19:16 ExoMars delay

• 20:00 Universe owes us

• 20:43 Outro

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How can we know whether the Universe is infinite or not? Can something hide behind the Sun in Earth's L3 Lagrange point? Should we start with terraforming the Moon before Mars? Will humans ever visit a lander on Mars?

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Start

• 00:47 [Tatooine] Can we terraform the Moon

• 05:36 [Coruscant] How long current science will stand?

• 09:01 [Hoth] How can we know if the Universe is infinite or finite?

• 12:54 [Naboo] Can something hide in Earth's L3 Lagrange point?

• 14:24 [Kamino] What if Jupiter falls into the Sun?

• 18:34 [Bespin] Does Milky Way look different from space?

• 20:37 [Mustafar] How long is a Universe year?

• 21:23 [Alderaan] Why doesn't Mercury fall into the Sun?

• 23:40 [Dagobah] Will we ever visit a Mars lander?

• 25:23 [Yavin] How will Mars colonization happen?

• 27:30 [Mandalore] Why there are no ups and downs in space?

• 30:16 Outro

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Interstellar travel can be real. And you don't need to break the laws of Physics to do it. In this interview, I discuss a realistic way we can send missions to nearby stars in our lifetimes.

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• 00:00:00 Intro

• 00:02:06 How hard is interstellar travel

• 00:13:19 Ride solar wind like a bird

• 00:23:15 How a realistic mission can look like

• 00:40:20 Exploring the Solar System

• 00:46:50 Fastest gun in the world

• 00:55:39 Best way to get off planet Earth

• 01:01:08 Interstellar Symposium

• 01:04:00 First interstellar mission. When?

• 01:13:53 How to become an interstellar engineer

• 01:19:17 Outro

Interstellar Symposium

https://irg.space/irg-2023/

Andrew Higgins' group web page:

https://interstellarflight.space/

Twitter

https://twitter.com/McGill_AdAstra

Jeff Greason’s idea for a “Reaction Drive powered by External Pressure” (the so-called q-drive).

https://tauzero.aero/wp-content/uploads/JBIS-May-2019-Greason.pdf

New paper on Dynamic Soaring

https://www.frontiersin.org/articles/10.3389/frspt.2022.1017442/full

RC gliders reaching nearly 900 km/hour by performing dynamic soaring on wind shear:

https://www.youtube.com/watch?v=0nyYaL0dGAA

https://www.youtube.com/watch?v=4eFD_Wj6dhk&t=0s

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It’s official, InSight is gone. Perseverance is putting samples onto the surface of Mars. More scientific results from James Webb, and using gravitational wave observatories to detect warp drives.

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• 00:00 Intro

• 00:17 InSight Mission is over
  
  

  • https://www.universetoday.com/159339/this-will-probably-be-insights-last-picture-before-it-runs-out-of-power-forever/

• 01:52 Percy Deposits First Sample on Mars’ Surface
  
  

  • https://www.universetoday.com/159365/perseverance-places-its-first-sample-on-the-surface-of-mars-one-day-this-will-be-in-the-hands-of-scientists-on-earth/

• 03:48 The Aftermath of the Soyuz Leak Last Week

• 05:19 DART Science Results
  
  

  • https://www.universetoday.com/159314/what-kind-of-an-impact-did-dart-have-on-dimorphos-the-science-results-are-here/

• 07:58 Exoplanet is Falling onto a Star
  
  

  • https://www.universetoday.com/159312/giant-exoplanet-is-spiraling-inward-to-its-doom/

• 10:26 Support us on Patreon

• 11:17 JWST Sees Star Formation
  
  

  • https://www.universetoday.com/159282/jwst-sees-furious-star-formation-in-a-stellar-nursery/

• 13:23 New Engine for Future Moon Missions
  
  

  • https://www.universetoday.com/159315/nasa-just-tested-a-new-engine-that-will-launch-artemis-v-and-beyond/

• 16:07 Detecting Warp Drives
  
  

  • https://www.universetoday.com/159218/gravitational-wave-observatories-could-search-for-warp-drive-signatures/

• 18:34 Outro

📺 VIDEO VERSION

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Does the Black Knight satellite really exist? Can JWST explore the Oort cloud? Did we hopelessly contaminate Mars with life? Would I fly on the dearMoon mission without the abort system? Should we do crewed missions to near-earth asteroids? Answers to all these questions and more in this week's Q&A with Fraser Cain!

🦄 Support us on Patreon: https://patreon.com/universetoday

• 00:00 Intro

• 00:46 [Tatooine] Does the Black Knight satellite really exist?

• 04:00 [Coruscant] Should we do crewed missions to near-earth asteroids?

• 06:41 [Hoth] Can we put a really good camera around the Moon?

• 07:39 [Naboo] Patreon announcements

• 09:31 [Kamino] Can JWST explore the Oort cloud?

• 11:48 [Bespin] Can there be Dark Antimatter?

• 12:36 [Mustafar] Did we hopelessly contaminate Mars with life?

• 16:13 [Alderaan] How do we track the movements of distant galaxies?

• 20:05 [Dagobah] Is there a specific direction to look at the Big Bang?

• 21:10 [Yavin] Does propellant contribute to Kessler Syndrome?

• 22:06 [Mandalore] Should we use different fuel to propel rockets?

• 24:37 [Geonosis] Can JWST detect Population 3 stars?

• 27:30 [Corellia] What size is the observable universe?

• 28:41 [Crait] Would I fly on the dearMoon mission without the abort system?

• 30:24 [Endor] Do rockets cause global warming?

• 32:20 [Exegol] Is it ethical to terraform Mars?

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This week we got an announcement that a historical milestone was achieved. Fusion Ignition. But what it really means for the future of energy production, what most stories don't say and should you be excited after all?

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00:00 Intro

00:41 The IGNITION announcement

02:21 How fusion works on Earth

04:24 How the breakthrough was made

06:05 Problems with NIF's approach to fusion

08:38 Fusion applications in space

10:52 Should you be excited?

📺 VIDEO VERSION

https://youtu.be/HIkYzfk8BvM

📰 EMAIL NEWSLETTER

Read by 55,000 people every Friday. Written by Fraser. No ads.

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⚖️ LICENSE

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Splashdown! Artemis I has returned home. Webb has made its first Deep Field survey. Listen to the sound of a dust devil on Mars. Space journalist is going to the Moon.

🦄 Support us on Patreon:

https://patreon.com/universetoday

🌕 Artemis 1 Overview video:

https://youtu.be/u5wNXtlZH_Q

• 00:00 Intro

• 00:16 Orion splashdown
  
  

  • https://www.universetoday.com/159146/orion-splashes-down-in-the-pacific-ocean-completing-the-artemis-i-mission/

• 02:54 Hakuto-R and Lunar Flashlight launch

• 05:21 Accident on the ISS. Soyuz coolant leak
  
  

  • https://www.universetoday.com/159240/a-soyuz-capsule-on-iss-is-leaking-coolant-into-space/

• 07:18 JWST's first proper deep field
  
  

  • https://www.universetoday.com/159149/webb-completes-its-first-deep-field-with-nine-days-of-observing-time-what-did-it-find/

• 10:07 Percy heard a dust devil on Mars
  
  

  • https://www.universetoday.com/159193/perseverance-heard-a-dust-devil-on-mars-and-now-you-can-too/

• 11:57 Support us on Patreon

• 13:01 BANG! Sierra Space inflatable module test
  
  

  • https://www.universetoday.com/159222/sierra-space-inflated-a-habitat-to-destruction-testing-its-limits-before-going-to-orbit/

• 14:27 Asteroid as a space habitat
  
  

  • https://www.universetoday.com/159224/rubble-pile-asteroids-might-be-the-best-places-to-build-space-habitats/

• 16:14 Everyday Astronaut is going to the Moon!
  
  

  • https://www.universetoday.com/159099/japanese-billionaire-reveals-his-round-the-moon-crew/

• 18:17 Breakthrough in fusion
  
  

  • https://www.universetoday.com/159166/fusion-ignition-breakthrough-raises-hopes-questions/

• 18:42 Outro