Universe Today Podcast

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.

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.

Guest: Dr. Marc Hon

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.

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.

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!

Guest: Dr. Gerard van Belle

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.

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.

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.

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.

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.

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.

Guest: Dr. David Brown

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.

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.

Guest: Dr. Gonzalo Alonso Álvarez

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.

Interstellar travel might not be as impossible as most people think. Especially if we adopt the multi-stage approach that we already use in everyday rockets. How can we do it and what results we can expect? Finding out in this interview.

Guest: Jeff Greason

It’s time for the Perseids meteor shower, Gaia has found hundreds of asteroid moons, Starliner is still in question, and where does the Moon’s atmosphere come from?

Future telescopes like Vera Rubin and Nancy Grace Roman will generate a lot of data. This will be a big challenge. To get ready for it astronomers use simulated observation data. Why is it important and how is it done? Finding out in this interview.

What happens to the stuff that falls into black holes? Do supergiants have sunspots? How can you do a gravitational slingshot from the Sun? Answering all these questions and more in this week's Overtime Q&A.

TRAPPIST-1 is one of the most interesting systems out there. JWST did observe them but we still don't have the results from all of them. Why is that and when can we expect to know something about their atmospheres? Finding out in this interview.

We’ve learned much more from the DART mission, dark oxygen is being generated at the bottom of the ocean, Starliner is almost ready to come home, and we might not need to dig deep to find life on Europa.

John Michael Godier and Universe Today's Fraser Cain discuss the exciting developments in space exploration, focusing on Spacex and the upcoming fifth test launch of Starship. Join us as we discuss the details, analyzing the performance, challenges, and future implications of SpaceX's ambitious project.

What happened at the earliest stages of the Universe and what is it expanding into? Can they just put a telescope inside a Starship? Why do I like the NIAC program so much? Answering all these questions and much more in this week's episode of Overtime Q&A.

Fluids behave very differently in space. We can make good use of it. For example, a recent NIAC grant was awarded to investigate a Magnetohydrodynamic Drive for Hydrogen and Oxygen Production in Mars Transfer. This is a system that should provide breathing oxygen for a journey to Mars made out of water with no moving parts in it.

🟣 Guest: Dr Alvaro Romero-Calvo

https://ae.gatech.edu/directory/person/alvaro-romero-calvo

👉 More about the NIAC project:

https://www.nasa.gov/general/magnetohydrodynamic-drive-for-hydrogen-and-oxygen-production/

🦄 Support us on Patreon:

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• 00:00 Intro

• 01:39 Water in space

• 09:18 The NIAC project

• 28:31 Nightmares in space

• 35:56 Propulsion

• 44:19 Current obsessions

• 51:53 Final thoughts

📺 VIDEO VERSION

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Gaia was hit by a micrometeoroid and a solar storm, mapping a lunar lava tube from space, both Mars rovers found fascinating rocks, and a direct image of the closest exo-jupiter.

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• 00:00 Intro

• 00:17 Gaia hit by a micrometeoroid

• 01:52 Moon lava tubes

• 03:27 Curiosity finds yellow crystals on Mars

• 04:53 Possible signs of life from Perseverance

• 06:46 ExoJupiter Seen by Webb

• 08:27 ESA's Mission to Apophis

• 10:26 Vote results

• 11:05 Mercury is full of diamonds

• 12:27 New Horizons detects background light

• 14:17 More space news

• 14:59 Chandra's anniversary

• 16:03 Carbon emissions

• 16:46 Webb's second year

📺 VIDEO VERSION

https://youtu.be/vfyuM6ynIyA

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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.

🦄 Support us on Patreon:

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• 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.

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.

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.

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

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.

Previously the only way to image black holes was with the Event Horizon Telescope, a combination of many radio telescopes across the globe. It is complicated and time-consuming. But with Vera Rubin going online soon, there might be a simpler way to observe black holes with a single telescope using a really clever method.

Guest: Dr Matt O'Dowd
https://www.mattodowd.space/

This is an interview with me on the Pale Blue Pod podcast. We did talk about publishing in the space and astronomy sector. Enjoy!

A strange eye ball world seen by Webb, did ancient astronomers see a kilonova in the sky, extreme moss that could handle Mars, and Ariane 6 flies successfully to space (mostly).

Can stars be born without a parent galaxy? Can quasars destroy life in an entire galaxy? Is there another planet in our Solar System after all? Did the Sun have a sibling star at some point? Answering all these questions and more in this week's Q&A show.

Seeing an Earth-like planet around a Sun-like star isn't possible with current telescopes. The difference in brightness is just too big. But future space telescopes will have multiple tricks up their sleeve specifically for that. Which ones? Finding out in this interview.

Guest: Dr Bertrand Mennesson

Plate tectonics could be incredibly rare, LEGO bricks made from actual space rocks, mapping the Milky Way’s dark matter halo, and Perseverance’s SHERLOC instrument is fully operational again.

China returns samples from the far side of the Moon, SpaceX will be de-orbiting ISS, could you surf the methane waves on Titan, and who knows when Starliner is coming home

Not every new space mission needs a separate launch and dedicated hardware. With this proposal, there's a huge potential for finding signals from primordial black holes by just using signals from a spacecraft flying to Uranus or Neptune. No additional hardware required.

How often do objects fall into the Sun? Why do some stars explode as novae, not as Type 1a supernovae? Can the US Army just donate NASA a Hubble 2? Will humans be living underground on Mars? Answering all these questions and more in this week's Q&A.

AI is practically everywhere right now. But what practical use does it have in science? How can machine learning and large language models help in Astronomy and Cosmology? What can they look like and what use can we get out of them?

Guest: Dr Mike Smith

How old is Jupiter’s Red Spot, watching a supermassive black hole wake up, the earliest merging quasars, and Starliner still hasn’t come home.

What are primordial black holes and how are they different from all the other kinds of black holes out there? How could we possibly detect them and what would it mean for Cosmology? Can primordial black holes be a solution for dark matter? Finding out the answers in this interview.

Guest: Jason Kristiano

Satellites run out of fuel and have to de-orbit and end their missions. But what if they had access to a practically infinite amount of fuel? What if they could scoop air from the atmosphere and use it as propellant? That is exactly the research that Dr Mansur Tisaev is doing!

Guest: Dr. Mansur Tisaev

What percentage of stars live in binary systems? Are there Lagrange points all the way down? Can there be a rogue gravitational wave? Why do stars twinkle? Answering all these questions and more in this week's Q&A show.

Mars is full of toxic perchlorates that can be very harmful for future human missions. So, when people go to Mars, they will need to fix it. NASA has awarded a NIAC grant for a project that can help solving this problem. It's called Detoxifying Mars: the biocatalytic elimination of omnipresent perchlorates.

👉 More about the NIAC project:

https://www.nasa.gov/general/detoxifying-mars/

🟣 Guests: Dr. Lynn Rothschild, Dr. Garrett Roberts Kingman

🦄 Support us on Patreon:

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📚 Suggest books in the book club:

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• 00:00 Intro

• 02:31 Perchlorates on Mars

• 10:48 The NIAC proposal

• 35:09 What's next

• 49:18 Current obsessions

• 53:35 Final thoughts

📺 VIDEO VERSION

https://youtu.be/GitfDWpm6UU

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We’re now weeks away from a nova, NASA is looking for new Mars Sample Return mission ideas, there’s frost on Olympus Mons, and watching asteroids collide in another star system.

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• 00:00 Intro

• 00:15 A nova's coming
  
  

  • https://www.universetoday.com/167320/were-now-just-weeks-away-from-a-stellar-explosion-you-can-see-with-your-own-eyes/

• 04:08 Alternative Mars Sample Return architectures
  
  

  • https://www.universetoday.com/167361/nasa-is-considering-other-ways-of-getting-its-mars-samples-home/

• 06:34 Chandra confirms exoplanet habitability

• 08:06 Euclid sees rogue planets too
  
  

  • https://www.universetoday.com/167326/euclid-is-finding-free-floating-planets-in-orion-too/

• 09:17 Frost on Olympus Mons
  
  

  • https://www.universetoday.com/167358/frost-seen-on-olympus-mons-for-the-first-time/

• 11:03 Vote results

• 11:51 Free lunch for satellites
  
  

  • https://www.universetoday.com/167366/next-generation-satellites-might-skim-the-atmosphere-using-air-as-a-propellant/

• 13:57 JWST sees asteroi collisions in another star system
  
  

  • https://www.universetoday.com/167344/webb-sees-asteroids-collide-in-another-star-system/

• 15:28 Starliner has 5 leaks
  
  

  • https://www.universetoday.com/167381/starliner-has-five-leaks/

• 17:03 More space news

• 17:36 Moon-based astronomy

📺 VIDEO VERSION

https://youtu.be/yPGGi1-yAUE

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What kind of science can we do with telescopes on the Moon? Giant radio dishes in craters, gravitational wave detectors, UV-interferometers and much more. How Starship will completely change this field and enable new opportunities.

🟣 Guest: Dr. Martin Elvis

https://cfa.harvard.edu/people/martin-elvis

🦄 Support us on Patreon:

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• 00:00:00 Intro

• 00:02:11 Why put telescopes on the Moon

• 00:10:00 Unique things for the Moon

• 00:18:01 What a telescope should look like

• 00:27:31 Gravitational waves observatory

• 00:37:12 History of the Moon

• 00:41:00 What's next

• 00:49:43 How Starship will change the game

• 00:54:29 Current obsessions

• 01:02:37 Final thoughts

📺 VIDEO VERSION

https://youtu.be/Cz511HLQynM

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What is the coldest place in the known Universe? Which object that has a name is the most distant in the Solar System? What would be the best use for SpaceX Starship? How do satellites avoid collisions? Answering all these questions and more in this week's Q&A show.

🦄 Support us on Patreon:

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📚 Suggest books in the book club:

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• 00:00 Start

• 00:24 [Andoria] What's the furtherest named object in the Solar System?

• 04:48 [Vulcan] How do satellites avoid collisions?

• 09:00 [Risa] Where did all the pictures of the Milky Way come from?

• 12:17 [Aeturen] Can astrophotography hobby be turned into something serious?

• 18:59 [Vendikar] Why does gravity work across vast distances?

• 20:11 [Remus] What's the coldest place in the Universe?

• 21:18 [Janus] What are my current obsessions?

• 25:56 [Cait] Why is space black will all the stars in it?

• 28:28 [Betazed] Did JWST disprove the all previously known astronomy?

• 30:20 [Cheleb] Is the Great Attractor moving away from us?

• 32:37 [Nimbus] Best use for SpaceX Starship?

📺 VIDEO VERSION

https://youtu.be/OOFT6u7tR2M

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Another Test of SpaceX Starship Superheavy combo, another analysis of the flight with Scott Manley and Marcus House! Super Heavy soft-landed in the ocean. Starship survived re-entry. What does it mean for SpaceX?

📺 Scott Manley:

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

📺 Marcus House:

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

🚀 IFT-3 Analysis: https://youtu.be/EVic941kQ44

🚀 IFT-2 Analysis: https://youtu.be/ReXZvXPak4U

🚀 IFT-1 Analysis: https://youtu.be/RGcdjJj-f4g

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• 00:00 Intro

• 01:30 Starship IFT-4 Liftoff

• 06:19 Booster separation and landing

• 15:51 Ship coast and reentry

• 32:52 Failure or success?

• 45:41 What it means for Artemis

• 49:10 Starliner and Chang'e-6

• 59:14 Final thoughts

📺 VIDEO VERSION

https://youtu.be/ecMlV4W_CLU

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Starship is successful on its fourth flight, Starliner reaches the station, carrying people, Hubble is only using one gyro, and Chang’e-6 scoops samples from the Moon and heads for home.

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• 00:00 Intro

• 00:14 Starship IFT-4
  
  

  • https://www.universetoday.com/167296/success-starship-makes-a-splash-in-fourth-flight-test/

• 07:10 Starliner First Crewed Launch
  
  

  • https://www.universetoday.com/167277/starliner-finally-launches-carrying-two-astronauts-into-orbit/

• 09:28 Chang'e-6 Lands, Scoops, Launches back
  
  

  • https://www.universetoday.com/167243/chinese-probe-collects-moon-samples-and-heads-for-earth/

• 10:53 dearMoon gets cancelled
  
  

  • https://www.universetoday.com/167211/japanese-billionaire-calls-off-his-starship-trip-around-the-moon/

• 12:19 SLIM is dead
  
  

  • https://www.universetoday.com/167242/japans-lunar-lander-fails-to-check-in/

• 13:03 Vote results

• 13:34 Hubble goes into single gyro mode
  
  

  • https://www.universetoday.com/167294/its-time-for-hardworking-hubble-to-slow-down-a-little/

• 16:09 Moon spacesuits integrated test
  
  

  • https://www.universetoday.com/167278/astronauts-are-practicing-lunar-operations-in-new-space-suits/

• 17:11 Support our work

• 18:27 Habitable worlds observatory
  
  

  • https://www.universetoday.com/167280/research-work-begins-on-the-habitable-worlds-observatory/

• 20:20 Dark matter updates
  
  

  • https://www.universetoday.com/167236/evidence-of-dark-matter-interacting-with-itself-in-el-gordo-merger/

• 24:24 More space news

• 25:06 What Starship success means

📺 VIDEO VERSION

https://youtu.be/JLQ-6s3G5gM

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