Universe Today Podcast

When is a supernova too close for comfort? Will USA's Moon race against China accelerate a race towards a Mars base? How can we see the Oort cloud? And in Q&A+, what do I tell to space deniers?

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00:00 Start

00:00 [Dvids] What do I say to people that deny space?

00:25 [SpaceInfrastructure] If China beats US to the Moon, will it accelerate a Mars base development?

04:37 [LtNuke] How close does a supernova need to be to cause real damage?

08:23 [Stephen Eichenhorn] How can we see the Oort cloud?

11:36 [Visto Tutti] What telescope do we need to see the furtherest light?

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Ryugu and Bennu are related, a star tried to eat a black hole and it didn’t go well, using moons to save fuel, and China tests its new human lunar lander. In Space Bites+, how climate change will impact satellite orbits.

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00:00 Intro

00:20 Asteroids Siblings

https://www.universetoday.com/articles/its-official-asteroids-ryugu-and-bennu-are-siblings

02:16 Star Explodes While Eating a Black Hole

https://www.universetoday.com/articles/a-distant-star-explodes-while-swallowing-its-black-hole-companion

04:14 Moon Flybys

https://www.universetoday.com/articles/moon-flybys-could-save-fuel-on-interplanetary-missions

06:22 Universe’s Greatest Fireworks Show

https://www.universetoday.com/articles/new-theory-points-to-the-universes-greatest-fireworks-show

08:34 Vote results

https://www.youtube.com/@frasercain/posts

08:57 China Tests Its Lunar Lander

https://www.universetoday.com/articles/chinas-crewed-lunar-lander-passes-key-test-milestone

10:32 Webb Finds Uranus’ 29th Moon

https://www.universetoday.com/articles/uranus-29th-moon-cant-hide-from-the-jwst

11:22 Psyche’s Version of The Pale Blue Dot

https://www.universetoday.com/articles/nasa-commanded-psyche-to-turn-around-and-capture-images-of-earth-and-the-moon

12:42 More space news

13:42 Bonus story: Climate change impacting space

13:59 Current state of NASA

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Why do people believe Starships will go to Mars? Can we use molten salt batteries on the Moon? What's the difference between the Universe and the Observable Universe? And in Q&A+, what's the chance of hitting an stone during an interstellar voyage?

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00:00 Start

00:25 [Dean T] Why people believe that Starships will land on Mars?

05:01 [Michael Stanley] What is does "observable Universe" mean?

06:46 [Dixie Q] When will we be able to see into the Oort cloud?

07:39 [puffcrusader696] How big can a telescope mirror get?

09:31 [kLONDIKE69 NONE] Can we use molten salt batteries on the Moon?

10:12 [Andrea Lencione] Which classic scifi author was best at predicted the future?

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Satellites are causing light pollution. Every year there a more of them. So, why don't they just paint them all vantablack, the ultra-black coating that doesn't reflect almost any light? Finding out in this interview.

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00:00 Intro

02:25 The problem of satellite pollution

08:35 Counter measures so far

11:36 Vantablack

24:15 Satellite project

33:42 Current obsessions

38:43 Final thoughts

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Is living in the clouds of Venus better than living in sub-surface habitats on Mars? Can we really lock ourselves from orbit with space junk? Should we build another version of Biosphere before going to Mars? And in Q&A+, is abiogenesis really unlikely?

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• 00:00 Start

• 00:29 [Mr Kyle] How do we distinguish the motions of galaxies and the expansion of the Universe?

• 02:14 [Melinda Green] Biosphere 2 before going to Mars?

• 03:38 [Adam Redwine] Are there any plans for Biosphere 3?

• 05:43 [A.SmollZz] Can we really trap ourselves on orbit because of space junk?

• 07:50 [Nick Stokes] What kind of space mission would I get on?

• 09:21 [name] Floating habitat on Venus VS sub-surface habitat on Mars

• 10:11 [Kyle] Hostile aliens

• 11:25 [Ken Sole] Rarest phenomena in our universe

📺 VIDEO VERSION

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Finally, Webb’s analysis of TRAPPIST-1d, new Hubble images comet 3I/ATLAS, the most massive black hole ever discovered, why Mars sand is so dangerous. And in Space Bites+, staring right down the jet of an actively feeding supermassive black hole.

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00:00 Intro

00:20 Webb's Analysis of Trappist-1d

https://www.universetoday.com/articles/the-jwst-shows-us-that-trappist-1d-is-not-as-earth-like-as-we-hoped

04:30 Stellar flares at Trappist-1

https://www.universetoday.com/articles/stellar-flares-unveil-hidden-magnetic-secrets-of-trappist-1

06:22 3I/ATLAS is actively releasing water

https://www.universetoday.com/articles/3iatlas-is-very-actively-releasing-water

08:41 Hubble looks at 3I/ATLAS

https://www.universetoday.com/articles/hubble-captures-stunning-view-of-third-interstellar-visitor

10:03 More on Little Red Dots

https://www.universetoday.com/articles/mystery-of-the-little-red-dots-may-finally-be-solved

12:05 Biggest Supermassive Black Hole ever found

https://www.universetoday.com/articles/a-36-billion-solar-mass-black-hole-detected-thanks-to-gravitational-lensing

14:07 Ultramassive white dwarf

https://www.universetoday.com/articles/this-white-dwarf-merged-with-another-star-to-form-an-ultra-massive-white-dwarf

15:49 Vote results

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16:23 Offroading on Mars

https://www.universetoday.com/articles/this-could-prevent-rovers-from-getting-stuck-in-sand-or-dust

18:09 Mars from above

https://www.universetoday.com/articles/the-martian-landscape-reveals-climate-secrets

19:56 Mars mosaic from Percy

https://www.universetoday.com/articles/perseverance-takes-a-new-panoramic-image-of-mars-on-a-clear-day

20:55 More space news

22:05 Bonus story: Eye of Sauron Blazar

22:27 CLICKBAIT!

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What would happen if we moved a jovian moon to Mars? What are black holes spitting out as those jets? What's the best case scenario for Europa Clipper's search for life? And in Q&A+, how are we searching for Sun-like stars?

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00:00 Start

00:28 [Ademnon's Couch] What if we took one of Jupiter's moons to Mars?

03:28 [John Divita] How do gravitational slingshots work?

06:12 [Trevor] What is the best case scenario for Europa Clipper's search for life?

10:22 [Steve Babarik] What are black holes spitting out?

13:40 [Ahmad Canrang] What's the difference between a comet and a meteoroid?

15:21 [Santiago Kaderian] Does Canada use F or C?

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How did supermassive black holes get so big so early? There are two main models for that, and JWST just got a huge boost for the one that suggests they can form via a direct collapse of gas clouds. How did the researchers pull the first observations of a potential birth of a SMBH? Finding out in this interview.

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🟣 Guest: Dr. Pieter van Dokkum

https://physics.yale.edu/people/pieter-van-dokkum

📜 The JWST Might Have Found the First Direct-Collapse Black Hole

https://www.universetoday.com/articles/the-jwst-might-have-found-the-first-direct-collapse-black-hole

📜 The ∞ Galaxy: A Candidate Direct-collapse Supermassive Black Hole between Two Massive, Ringed Nuclei

https://iopscience.iop.org/article/10.3847/2041-8213/addcfe

00:00 Intro

02:18 Supermassive black holes

11:57 The Discovery

21:38 Implications for cosmology

34:17 Current obsessions

42:35 Final thoughts

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Is there an upper size limit for black holes? Why don't we build multiple identical missions to increase the chance of success? Is the Universe considered finite or infinite? And in Q&A+, is the Universe expanding or is everything else just shrinking?

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• 00:00 Start

• 00:28 [Ascendant Construct] Why don't we build multiple identical space missions at once?

• 01:36 [Lubo in China] My automated telescope

• 05:27 [Kasie Ream] Radiation in space

• 09:50 [Abdul Samad Kholia] Is space considered infinite?

• 11:56 [Brenda Kalt] Why changed our perspective on the Universe?

• 13:49 [Steven Lewis] How fast can a wired communication with the Moon be?

• 14:24 [Dark Jedi Order] My favourite galaxy

• 17:15 [paul wilson] How big can black holes get?

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A Planet Found at Alpha Centauri. Webb Revisits the Hubble Ultra Deep Field. Little Red Dots don't break the laws of physics. In Space Bites Plus, showing that the Earth's magnetosphere was here for a long time.

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00:00 Intro

00:20 Planet at Alpha Centauri

02:58 Webb revisits Hubble's Ultra Deep Field

https://www.universetoday.com/articles/webb-revists-hubbles-classic-ultra-deep-field

04:23 NGC 6072 by JWST

https://www.universetoday.com/articles/jwst-traces-details-of-complex-planetary-nebula

05:45 Little red dots VS the Eddington limit

https://www.universetoday.com/articles/little-red-dots-eat-fast-but-not-faster-than-eddington

08:25 Solar array for Nancy Grace Roman Telescope

09:26 Vote results

https://www.youtube.com/@frasercain/posts

09:58 Six more helicopters for Mars

https://www.universetoday.com/articles/six-of-ingenuitys-successors-could-be-exploring-mars-in-4-years

11:36 Rogue planetary systems

https://www.universetoday.com/articles/rogue-planets-can-spawn-their-own-planetary-systems

13:02 Newsletter

14:10 Bonus story: early Earth magnetosphere

14:37 Huge Q&A

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