Universe Today Podcast

Perseverance found its parachute, JWST cooling down its experiments, Standard Model once again in danger, Space Force releasing data to scientists, yet another approach for expensive space tourism and more top news stories of this week.

00:00 Intro

00:52 Space Force is Releasing Decades of Tracking Data on a Thousand Bright Meteor Fireballs

https://www.universetoday.com/155380/space-force-is-releasing-decades-of-tracking-data-on-a-thousand-bright-meteor-fireballs/

02:18 An overweight boson might be threatening the Standard Model

https://www.universetoday.com/155396/weird-measurement-of-w-boson-doesnt-match-standard-model-of-physics/

Interview with Dr Paul Sutter https://youtu.be/9ZUd9SqOJBQ

05:20 James Webb Almost Cooled Down Enough

https://www.universetoday.com/155453/brrr-webbs-miri-has-reached-6-4-kelvin-just-a-few-degrees-above-absolute-zero/

07:02 Yet another approach to high altitude tourism

https://www.universetoday.com/155400/get-an-inside-look-at-space-perspectives-stratospheric-lounge-with-bar/

09:51 Join our Discord Server!

https://discord.gg/bRxr4JTNqh

10:00 Martian Astronauts Will Create Fuel by Having a Shower

https://www.universetoday.com/155360/martian-astronauts-will-create-fuel-by-having-a-shower/

11:21 Perseverance rover spotted its parachute that helped it descend on Mars

https://www.universetoday.com/155384/perseverance-finally-spots-its-own-parachute-on-the-surface-of-mars/

12:14 Five Rover Teams Chosen to Help Explore the Moon’s South Pole

https://www.universetoday.com/155357/five-rover-teams-chosen-to-help-explore-the-moons-south-pole/

14:07 Support us on Patreon

https://patreon.com/universetoday

14:38 Apollo 11 Moon Dust Sells at Auction for a Cool Half Million

https://www.universetoday.com/155449/apollo-11-moon-dust-sells-at-auction-for-a-cool-half-million/

16:26 Outro

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Support Universe Today Podcast

Particle physicists have announced an exciting discovery about the W Boson particle that challenges the Standard Model of Physics. To help me understand what was discovered and what it means for physics, I've invited Dr. Paul Sutter back to explain it. Paul is a fantastic science communicator and has a PhD in particle physics. The perfect person to help us make sense of this.

https://www.youtube.com/channel/UCBr7XOxxQyBHEwqkhoci7vw

Timecodes:

Start 00:00:00

Edge of Knowledge 00:01:26

What is the W Boson? 00:03:14

How is the mass of the W boson measured? 00:07:32

What was the result of the experiment? 00:09:14

What explains the result? 00:11:37

What comes next? 00:19:35

Follow Paul's work 00:22:55

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Support Universe Today Podcast

My guest today is Dr. Surjeet Rajendran, a physics professor at Johns Hopkins University. In addition to his teaching, Dr. Rajendran's research is in theoretical physics, with a strong focus on what comes after the standard model. What could dark matter be? How can gravity be merged with quantum mechanics?

https://physics-astronomy.jhu.edu/directory/rajendran/

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Support Universe Today Podcast

In this week's questions show, I explain how other planets can have geostationary orbits, if sending tardigrades to the Moon is a violation of the Outerspace Treaty, and why everything orbiting the Sun is in perfect balance.

Here's a link to our Discord server: https://discord.gg/3nk8kAARUm

00:00 Start

00:53 Does Venus have a geostationary orbit?

02:34 Is sending tardigrades to the Moon violate the Outerspace Treaty?

06:30 Why is everything in stable orbit around the Sun?

08:50 Is there a telescope on the ISS?

10:33 How does the solar maximum work?

13:05 Does space solar power make sense?

15:40 Do rockets have to go into orbit around the Earth first?

17:15 When will a microscope go to Mars?

19:57 Could gravitational lensing let us see beyond the observable Universe?

21:53 Where will we see the surface of other worlds?

24:19 Could you go faster to blue shift light?

26:47 Do nuclear rockets need fuel?

28:03 Does time travel slower at the centre of the Universe?

29:49 Can black holes go supernova?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. Thayne Currie, an astrophysicist at NASA-Ames Research Center and the Subaru Telescope. Dr. Currie was part of a team that directly imaged a newly-forming planet, providing evidence of another way large planets can form, and could have formed here in the Solar System.

https://subarutelescope.org/staff/currie/

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Support Universe Today Podcast

My guest today is Chris Prophet, a freelance writer who has been covering the rise of SpaceX. He has written several books, including SpaceX from the Ground Up. His new book is called SpaceX Evolution and explains some of the company's long-term strategies to create a sustainable human civilization on Mars and beyond.

https://www.goodreads.com/author/show/6442069.Chris_Prophet

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Support Universe Today Podcast

My guest today is Dr. Robin Hanson, an associate professor of economics at George Mason University and a research associate at the Future of Humanity Institute of Oxford University. Dr. Hanson is famous for writing a paper describing the Great Filter, a theory that explains why we don't see aliens across the Universe.

https://www.overcomingbias.com/

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Support Universe Today Podcast

In this week's live Questions and Answers show, I explain how big black holes are, what coordinate system astronomers use to map objects in the sky, and what could have collapsed clouds of hydrogen to form the first stars?

00:00 Start

00:42 How big are black holes?

03:15 What coordinate system do astronomers use to map objects in space?

06:50 What created the first stars?

08:19 If Planet 9 is a black hole, how could we detect it?

10:10 How do gamma rays escape the gravity of a black hole?

11:04 Any alternative theories to the Big Bang that I find convincing?

14:51 Where is Starman right now?

15:44 How do we know the shape of the Milky Way?

18:50 How far is James Webb in light-seconds?

19:45 Are filaments and dark matter related?

21:24 How do orbits become and stay stable?

24:11 How dangerous is the Universe to life?

27:39 What do I think of the Dark Forest theory?

29:25 Are rubble pile asteroids dead comets?

30:52 Are some galaxies more habitable?

32:03 Could a Dyson Sphere stay inflated by the Solar Wind?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

In this week's questions and answers show, I answer the question: could we build a star? How far will humans realistically explore within the Solar System? Is there any way we can escape the heat death of the Universe?

00:00 Start

01:03 Could we create a new star?

04:17 How far will humans explore in the Solar System?

08:59 Can we escape the heat death of the Universe?

13:29 Where is the surface of Jupiter?

15:53 Can a rocket escape Venus?

18:50 Will we find life in the Solar System?

19:45 Why do we see those spikes in the James Webb image?

23:52 Could we communicate back out of a black hole?

24:57 Could we use laser sails within the Solar System?

27:09 Will humans really survive more than a few years?

29:52 Can Webb handle space radiation?

32:02 Are some of the first stars still around?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

In this week's live Questions and Answers show, I explain how a more powerful rocket could reduce the need of a heat shield, if we could detect objects beyond the edge of the observable Universe through their gravity, and what are the largest objects (or spacecraft) that could hang out at a Lagrange Point?

00:00 Start

00:13 Why do we even need heat shields?

03:12 Could we detect objects beyond the observable Universe through their gravity?

05:42 Can massive objects last at Lagrange Points?

08:03 Will fusion drives enable interstellar travel?

11:35 Why does gas need to be cold to form stars?

13:11 Why do we assume dark energy is accelerating the expansion of the Universe?

17:08 Can Webb look in all directions?

19:01 Could we detect the Earth from 100 light-years away? What about our satellites?

22:24 Is everything still trapped inside the Big Bang?

24:34 How can people support Universe Today?

27:06 Are black holes really dark stars?

28:10 Would geothermal work on Mars?

30:53 How can Webb orbit L2 if nothing's there?

34:24 Can smaller black holes eat bigger black holes?

35:25 When will we stop wanting to colonize Mars?

36:48 Can dark matter be explained by black holes?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. Jason Hofgartner, a planetary scientist specializing in icy worlds of the Solar System. Jason wrote a recent paper about the nature of Neptune's moon Triton, first discovered by Voyager 2 back in 1989.

https://www.researchgate.net/profile/Jason-Hofgartner

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In this week's Questions and Answers show, I explain how astronomers use the Doppler Effect to know if objects are moving towards or away from us, I give my thoughts on Starlink as a user, and I suggest ideas on how to become a better writer.

00:00 Start

01:50 How do we know light is red or blue shifted?

04:24 What do I think of Starlink?

08:07 Why don't we visit the atmosphere of Venus?

10:33 What do I like about my job?

12:54 When is something standing still?

14:39 What is the Sun an average star?

16:16 How do we know we're not special?

18:06 What will sanctions on Russia do to space exploration?

22:24 Will the US be patrolling the Moon?

24:09 Any advice for being a writer?

27:14 Why are we sending probes to L2?

28:36 Could we find life around red dwarfs?

30:18 Where are the stars that formed with the Sun?

32:32 How can Parker Solar Probe survive being close to the Sun?

34:13 How would I spend a billion dollars?

36:24 What's my most controversial opinion?

36:48 Would tides be a problem for a habitable moon?

38:04 Can you collect meteorites?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Matthew Campbell, a Mechanical Engineer, Postdoctoral Researcher at the Department of Mechanical Engineering and Applied Mechanics at the University of Pennsylvania. He's a member of the Bargatin Group, researching nanomaterials and their applications.

https://bargatin.seas.upenn.edu/people/

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My guest today is Dr. Elena D'Onghia, an associate professor at the University of Wisconson--Madison's Department of Astronomy. Her research is focused on the dynamics of galaxies through simulations, theory, and observations.

https://www.madastrodynamics.com/team#elena

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Support Universe Today Podcast

In this week's episode, I explain how we could use Jupiter as a source of fuel for our fusion reactors, what it means to say there's a scientific consensus, and if gravitational waves can trigger earthquakes.

00:00 Start

01:26 Could we mine Jupiter for hydrogen?

03:24 What does "scientific consensus" mean?

07:04 Could gravitational waves trigger earthquakes?

08:47 Is there really a need to build Dyson Spheres?

10:52 Could aliens know our history?

12:33 When will there be good pictures from JWST?

14:19 What's holding up Starship?

16:21 What happens to ISS if Russia pulls out?

19:35 Would life be better at a K-star?

22:12 Where can we invest in space mining?

23:15 How do we know the source of gravitational waves?

24:22 Could the Solar System leave the Milky Way?

27:06 Are we Von Neumann probes?

28:17 Does SpaceX really land rockets?

29:29 Why aren't there more rovers going to the ice on the Moon and Mars?

30:43 How can Webb get solar power?

31:35 Are there any other uses for ISS?

33:18 Do neutron stars have crusts?

34:32 Will LUVOIR get build?

36:55 Would a diamond spaghettify entering a black hole?

38:11 Does life need a Jupiter to protect it?

39:47 Could we survive just living in spacesuits?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. John Mather, Senior Astrophysicist in the Observational Cosmology Laboratory at NASA's Goddard Space Flight Center. Dr. Mather received a Nobel Prize for his influential cosmology work, helping to confirm the Big Bang. He's been involved in almost every major astronomy mission in the last few decades, including Hubble, and of course, James Webb.

https://www.jwst.nasa.gov/content/meetTheTeam/people/mather.html

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Support Universe Today Podcast

My guest today is Dr. Chenoa Tremblay, a Post Doctoral Researcher at the SETI Institute. Dr. Tremblay and her team used the Murchison Widefield Array to scan the core of the Milky Way for any sign of signals from extraterrestrial civilizations.

https://twitter.com/chenoachem

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Support Universe Today Podcast

In this week's questions show, I explain how astronomy would be different if we didn't have space telescopes, what was the Universe like shortly after the Big Bang?, and what if James Webb detects oxygen in the atmosphere of another planet?

00:00 Start

00:45 What if we couldn't build space telescopes?

05:01 Did the Universe act like a big star after the Big Bang?

06:30 If James Webb detects oxygen, does that mean life?

10:59 Will James Webb pictures be colorized?

14:45 Do I believe the Big Bang is the beginning of the Universe?

16:25 Where could we find alien space junk?

18:24 What causes the warp in the Milky Way?

19:48 Will we get portals, or warp drives?

23:15 Are there any private space missions coming up?

25:44 Could we see the Earth in a mirrored planet?

26:51 Would AI be a threat to other civilizations?

28:36 Will humans evolve in space?

31:44 What causes the spiral arms to turn in a galaxy?

32:55 What's inside a neutron star?

34:40 Why is weightlessness called microgravity?

36:16 Is Titan better to explore than the Mars or Moon?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's questions and answers show, I explain why people might see extraterrestrials as a threat. What could we learn about astronomy if we lived at the center of a supervoid, and how far away are we from the Big Bang?

00:00 Start

01:10 Why do we assume extraterrestrials are evil?

07:40 Could we see anything from within a supervoid?

09:40 What if we lived near the Big Bang?

10:25 Will James Webb ever look at Earth?

11:34 What's the benefit of helium 3?

14:47 Can we take animals to Mars?

17:13 Will machines do all our exploring?

20:36 Was the Universe as small as a grapefruit?

21:42 Does the expansion of the Universe travel faster than the speed of light?

23:04 Should we be worried about rogue black holes?

25:14 When will we see the calibration star from James Webb?

27:08 Did the Three-Body Problem change my opinion about extraterrestrials?

30:07 Could there have been many Big Bangs and other universes?

31:52 What is the Oort Cloud?

33:00 Why do stars like Sirius shimmer?

35:15 Will James Webb see the first stars?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's episode, I explain why James Webb is actually the perfect telescope for detecting advanced civilizations, could we hide the Earth from snooping aliens, could spacecraft go into polar orbit around the Sun? And more...

00:00 Start

00:39 Could James Webb Detect a Type 2/3 Civilization?

05:31 How can Earth hide from aliens?

07:10 Polar orbit around the Sun?

09:41 Could dark matter be alien robots?

11:25 Could iterative design work for JWST?

14:28 Could Betelgeuse have planets?

16:01 Could we replenish Mars atmosphere?

17:34 Are exomoons more habitable?

19:05 Could anything go wrong with JWST?

20:26 Does light redshift to nothing?

22:14 Are Lagrange points filled with debris?

24:12 What are the benefits of a Moon or Mars base?

28:24 How much water will protect against radiation?

29:34 Do photons travel forever?

30:48 What's the best way to refuel in space?

32:57 Are there any ways to communicate instantaneously?

34:33 What are my favorite Bortle-1 locations?

37:32 What am I most excited to see from JWST?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

My guest today is Dr. Andrei Lobanov, a staff astronomer at the Max Planck Institute for Astrophysics in Bonn, Germany. Dr. Lobanov was part of a team that just took the highest resolution image ever seen of a blazar, using a network of space and ground-based radio telescopes.

https://www3.mpifr-bonn.mpg.de/staff/alobanov/

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Support Universe Today Podcast

My guest today is Dr. Jillian Scudder, a PhD astrophysicist and assistant professor at Oberlin College. In addition to her teaching and research work, Dr. Scudder also answers space and astronomy questions on her blog and in her newly updated book: Astroquizzical.

https://www.jillianscudder.com/

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In this week's QA, I talk about how we can see individual stars in a galaxy like Andromeda, how we know the Universe is bigger than we can observe, and whether black holes are solid objects or infinitely dense singularities.

00:00 Start

01:07 Can we see the stars in Andromeda?

03:21 How do we know the Universe is bigger than we can see?

09:24 Are black holes solid?

12:03 How did the Moon form out of debris?

13:49 Are there pieces of Earth on other worlds?

15:49 When will we see the first pictures from Webb?

17:12 Is tech in Webb obsolete?

19:10 Is dark matter black holes?

20:55 Why does Webb orbit around in empty space?

22:11 Would the Universe look different billions of years ago?

23:06 What launch would I like to see in person?

25:10 What other space missions should we get excited about?

26:38 Can Vera Rubin see JWST?

27:41 Do we live in a black hole or simulation?

28:51 Could a micro-meteorite impact JWST?

29:57 What are some cool ideas for space telescopes?

33:50 Will we have a permanent lunar base by 2050?

34:45 Can we see exo-Oort clouds?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

In this week's episode, I talk about the possibility of a copy of the Hubble Space Telescope, if satellites could relay information like a mesh network, and if it's even possible for plants to survive on the surface of Mars.

00:00 Start

01:22 Could we launch a copy of Hubble?

03:34 Could satellites relay information like a mesh network?

06:17 Could plants survive on Mars?

08:52 Could Planet 9 be dark matter?

11:12 Do globular clusters ever collapse into disks?

12:36 Are there any new questions about Lagrange Points?

14:07 Would the Solar System change if you build a Dyson Sphere?

17:08 Could we see the Oort Cloud?

19:39 Could we genetically modify humans to survive on Mars?

22:32 Are we the center of the Big Bang?

24:32 Could a warp drive escape a black hole?

25:58 Could we fix Mars by crashing Phobos into it?

27:11 Will there be a servicing mission for James Webb?

28:41 Will humans visit anywhere other than Mars?

31:13 Could life have formed shortly after the Big Bang?

32:50 Could a moon be bigger than its planet?

34:43 How could the Universe be infinite if it's expanding for a finite time?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

My guest today is Andreas Hein, Executive Director, Chairman Technical Research Committee of the Initiative for Interstellar Studies. Andreas is part of a team working to develop practical missions for interstellar exploration.

https://i4is.org/

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Support Universe Today Podcast

My guest today is Dr. Joanna Barstow, a Royal Astronomical Society Research Fellow at University College London. Dr. Barstow specializes in planetary science, studying the atmospheres of planets both inside and beyond the Solar System. She's also a member of the ARIEL science team, an upcoming mission that will categorize the atmospheres of exoplanets.

https://www.ucl.ac.uk/astrophysics/people/joanna-barstow

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Support Universe Today Podcast

In this week's Questions Show I explain why James Webb doesn't have any cameras on board, what the Universe is expanding into, and what is the point of building big telescopes when we're trapped in the Solar System?

00:00 Start

06:35 Why build big telescopes?

00:35 Are there cameras on board James Webb?

04:17 What is the Universe expanding into?

09:01 When will we see the first image from James Webb?

10:05 Have I ever done a Messier Marathon?

12:33 Capabilities-driven exploration of the Moon?

16:02 Which version of LUVOIR will be built?

18:35 Can you see the same thing on opposite sides of the Universe?

19:39 Can James Webb take pictures of stars?

21:23 How did life arise?

23:07 Can Hubble see Webb?

23:43 Can James Webb see beyond the observable universe?

25:18 Is there no way to repair James Webb?

26:56 Building your own telescope

28:52 What will be the most surprising discovery from Webb?

30:55 What level of tech to cross 119 light-years?

32:10 Can we access astronomy data?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's final 2021 QA, I explain why landing on the Moon could make it difficult for other spacecraft to land, if binary planets could exist, and if there are plans to do a JWST version of the Hubble Deep Field.

00:00 Start

00:29 Can spacecraft land on the Moon or Mars without a landing pad?

03:29 Could binary planets exist?

06:25 Will we ever have certainty?

09:15 Can black holes absorb dark matter?

10:48 Will James Webb redo the Hubble Deep Field?

12:54 Water in Valles Marineris?

15:12 Is Starship just a modern day Space Shuttle?

18:09 Will the Universe end in a Big Crunch?

21:27 Could a thicker atmosphere on Mars protect us from radiation?

22:49 What if dark matter doesn't exist?

25:22 How is Moon/Mars regolith different from Earth soil?

27:41 Could there be habitable moons?

28:12 What missions should we be looking forward to?

30:17 Could a solar system survive inside a black hole?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. Michael Zemcov, an associate professor at the Rochester Institute of Technology. Dr. Zemcov has proposed putting a telescope out beyond the orbit of Saturn to capture the clearest possible view of the Universe, away from the light-polluted inner Solar System.

https://theconversation.com/a-small-telescope-past-saturn-could-solve-some-mysteries-of-the-universe-better-than-giant-telescopes-near-earth-169805

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Support Universe Today Podcast

In this week's Questions and Answers show, I explain how an infinite Universe could be the ultimate answer to the Fermi Paradox, where the energy for tidal heating comes from, and why are there always so many asteroid scare stories in media?

00:00 Start

00:43 Can a satellite remain in one spot?

03:56 Does an infinite Universe solve the Fermi Paradox?

06:41 Where does tidal heating energy come from?

08:43 Is an asteroid going to hit us soon?

11:35 Are galaxies traveling faster than light?

13:13 Is there an anti-matter photon?

14:24 Could there be Pluto Planets?

15:51 Can we move the Earth away from the Sun?

19:20 Can we protect spacecraft with magnetic fields?

22:49 If humans vanished, would there be any evidence?

24:52 Would I like to travel into the future?

25:58 Why are rockets launched in stages?

27:53 Biggest Starship telescope?

29:36 What energy pushes the planets around the Sun?

31:52 Will Starship ruin planetary protection?

34:28 Why can't we find Planet 9?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

My guest today is Andrea Lin, a graduate student at the Eberly College of Science at Penn State University. Andrea is working with the NEID Spectrograph, a brand new instrument that will eventually be capable of detecting Earth-sized worlds orbiting sunlike stars.

https://science.psu.edu/astro/people/apl5194

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Support Universe Today Podcast

In this week's live questions and answers show, I explain why NASA doesn't build standardized rovers, how we know the Universe is approximately 13.8 billion years old, and which are the best (and worst) entry-level telescopes to get.

Mars Magnetosphere story

https://www.universetoday.com/153368/an-absolutely-bonkers-plan-to-give-mars-an-artificial-magnetosphere/

00:00 Start

00:28 When will NASA make standard models of rovers?

04:28 Is the Universe older than 13.8 billion years?

07:06 What are the best and worst entry level telescopes?

10:29 Why isn't there more of a push to explore Europa?

13:40 could dark matter be a heavier element?

16:29 How could we drill down through Europa's ice sheet?

19:23 Will supervoids grow as the Universe expands?

21:11 What's the best technology for interstellar travel?

23:15 Could we protect Mars with a giant solenoid?

25:37 Could we build a second James Webb?

27:08 Could a longer ramp let Spinlaunch send humans to space?

29:39 What is the economic cost of contaminating Mars?

33:18 Do Jeff Bezos and Elon Musk have any business strategy for colonizing space?

35:08 How do neutron stars die?

36:28 Better to live on a water world or Mars?

37:37 Any way to collect small pieces of space junk?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

In this week's live questions and answers show, I speculate what kind of civilization could be permanently stuck on the surface of their planet, if rival nations could shoot down each other's spacecraft, and how do I really feel about the Space Launch System?

00:00 Start

01:01 How much gravity makes spaceflight impossible?

04:40 Could a rival shoot down a rocket during launch?

07:07 Should I apologize for advocating for SLS?

11:50 Do photons experience time?

13:42 Can you see Earth's lights from the Moon?

15:28 Can we detect exoplanets with their magnetic fields?

17:27 What missions do I wish were never cut?

20:21 Does finding life mean we're doomed?

22:45 Are galaxies orbiting something bigger?

23:42 Can a star collapse directly into a black hole?

25:36 Should we move away from complex telescopes?

29:03 What does it cost to use Hubble?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. Alex Teachey, a Distinguished Postdoctoral Fellow at the Academia Sinica Institute of Astronomy & Astrophysics (ASIAA) in Taipei, Taiwan. Alex specializes in searching for moons orbiting extrasolar planets: exomoons. Learn why these could be some of the most interesting places to search for life in the Universe.

https://alexteachey.wordpress.com/

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Support Universe Today Podcast

In this week's episode, I answer questions about the speed of supernovae, if a black hole can pull itself apart, is there really no way to repair James Webb, and more...

00:00 Start

00:41 What are the timescales for a supernova?

02:59 Could a black hole spin itself apart?

05:37 Will James Webb launch on time?

07:10 What do I think about Apophis?

09:24 Can a magnetar collapse into a black hole?

12:43 When will we reach the Kessler Syndrome/

16:26 Would we try to fix James Webb?

19:27 Will there be a permanent Moon base in our lifetime?

21:28 What do I think about Spin Launch?

24:06 What's the temperature on the night side of Venus?

26:01 What's the point of sending humans to Mars?

29:56 Does a supermassive black hole's gravity pull on its galaxy?

31:35 Will the Moon get a magnetic field?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's live Q&A, I explain what would happen if we build a particle accelerator around the entire Moon (and what would happen if it generated a black hole), if you can ice skate on Pluto, and is it better to do sample return missions or explore with rovers and landers.

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

My guest today is Dr. Mary Voytek, the director of NASA's Astrobiology Program since 2008. Dr. Voytek and others from NASA are proposing a new 7-step framework on how they could report on the discovery of life beyond Earth. We'll discuss this new framework as well as the latest challenges in the search for life across the Universe.

https://astrobiology.nasa.gov/nai/directory/voytek-mary/

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Support Universe Today Podcast

My guest today is Dr. Boris Goncharov, a researcher at the Gran Sasso Science Institute. Boris is part of the team using the precise signals from pulsars as a way to detect gravitational waves. This technique could be sensitive enough to even detect merging supermassive black holes.

http://bgoncharov.com/

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Support Universe Today Podcast

In this week's questions show, I answer if you could have a planet made entirely of water, is it our duty to spread life in the Universe? Could Planet 9 be a brown dwarf? And more...

00:00 Start

01:35 Could you have a planet made only of water?

04:23 Is it our duty to spread life into the Universe?

07:43 Could a civilization harvest energy from tidal flexing?

10:01 Where could you survive without a spacesuit?

12:18 How do space stations get decommissioned?

14:41 Could Planet 9 be a brown dwarf?

15:42 Will climate change impact space exploration?

18:47 Would mold outside the space station be alien?

20:22 Do other star systems have kuiper belts and oort clouds?

22:06 Does the Milky Way have an escape velocity?

24:14 Should Earth be kept as a nature preserve?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

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Support Universe Today Podcast

My guest today is Dr. Justin Simon, a planetary scientist within the Astromaterials Research and Exploration Science (ARES) Division at the Johnson Space Center. He specializes in measuring meteorites and samples collected by spacecraft. We'll be talking about what it takes to sample the surface of Mars and other worlds:

https://ares.jsc.nasa.gov/people/bios/justin-i-simon/

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In this week's questions show, I answer questions about ice on rockets, the maximum gravitational slingshot, could black holes pull you out of black holes, and more...

00:00 Start

00:30 Why is iron the heaviest element produced in stars?

04:31 Why does ice fall off the outside of rockets?

06:02 What is the maximum gravitational slingshot?

09:36 Could a black hole pull you out of another black hole?

10:21 What is the deadliest distant object?

11:59 Could NASA rent space from Orbital Reef?

13:49 Could we communicate with another civilization?

17:31 Are you squished or torn apart by a black hole?

19:16 Could Starship return ISS to the Earth?

21:45 Could we transmit DNA to another civilization?

24:41 Could a solar flare kill life on Earth?

26:12 Could space telescopes work as interferometers?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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In this week's questions show, I theorize how long life can survive in the Universe, could we detect a wormhole in the Solar System, what's happening with the Chinese Space Agency? And more...

00:00 Start

00:53 How long can life survive?

04:11 Will a black hole leave a remnant after it evaporates?

06:01 Will we detect biosignatures or technosignatures first?

09:35 Will Lucy make it?

11:29 Could red dwarf stars could become less hectic with time?

14:42 Where does energy go if the Universe becomes static?

16:45 Will James Webb see brown dwarfs?

19:32 Could we detect a wormhole?

21:26 Anything interesting with the Chinese space program lately?

23:23 What happens if a gas giant melts?

25:37 What are the challenges to filming on the ISS?

28:07 Should we be afraid of a meteorite crashing into our roofs?

31:34 When we look up, what class of stars are we seeing?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

My guest today is Dr. Nikku Madhusudhan, a PhD astronomer at the University of Cambridge. Dr. Madhusudhan is one of the researchers who investigated the habitability of "hycean worlds"; ocean worlds with a thick hydrogen ocean. These worlds are completely alien to anything we have in the Solar System, and yet, could have a much wider region that remains habitable than terrestrial planets.

https://people.ast.cam.ac.uk/~nmadhu/Nikku_Madhusudhan/Home.html

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Support Universe Today Podcast

My guest today is Dr. Hiro Ono, the Group Leader of the Robotic Surface Mobility Group for NASA's Jet Propulsion Lab. Dr. Ono is been awarded a NIAC prize to develop a rover that could crawl into the fascinating vents on Enceladus, to search for evidence of life on this icy world.

https://www-robotics.jpl.nasa.gov/people/Masahiro_Ono/

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In this week's live questions and answer show, I explain how astronomers measure the distance to gravitational wave events, how clean are spacecraft sent to Mars, and would it be possible to have a sample return mission from Titan?

https://www.universetoday.com/150507/a-titan-mission-could-refuel-on-site-and-return-a-sample-to-earth/

00:00 Start

00:25 How do we calculate the distance of gravitational waves?

03:36 Have Mars spacecraft been sterilized?

05:54 Is a sample return mission possible from Titan?

09:11 How fast would time go if there was no gravity?

11:01 Could a tiny vehicle fly autonomously around the ISS?

12:18 Is NASA planning to impact an asteroid?

14:06 Could space missions be build cheaper?

16:26 What science experiments could be done on a Moon base?

18:50 Will there still be time at the end of the Universe?

20:25 Would a rogue planet catch us off guard?

22:15 Could landers build their own rovers?

24:23 How do launch platforms deal with the rocket exhaust.

25:23 Which solution to the Fermi Paradox is my favorite?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's Questions and Answers show, I explain how we'll get the matter to build stuff out in space, what about the matter for a Dyson Sphere? How long will the International Space Station survive? And More...

00:00 Start

00:45 Could we create matter from photons?

03:57 Where are we going to get the matter for a Dyson Sphere?

07:56 What do I think about GPT-3?

11:32 How long will ISS survive?

14:32 What do I think of Foundation?

16:56 Am I a big ripper or big cruncher?

20:37 When will James Webb be online?

23:09 Are the Perseids getting worse?

25:51 Is it dangerous to use a telescope to look at the Sun?

28:00 Why is it hard to get close to the Sun?

29:51 How do we get stuff back from Mars?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's questions show, I explain why we don't see the same thing multiple times as we look out into the Universe, could a planet orbit in the Lagrange Points of two stars, and why haven't there been any missions to Io?

00:00 Start

00:36 Could we see the same galaxy multiple times?

05:16 Could a planet orbit in an L4/L5 point?

08:31 Why no missions to Io?

10:42 How can we drive space exploration?

13:31 Did Inspiration4 have problems with their toilet?

14:33 Self sufficient colony on Titan?

15:54 Will Webb be able to image nearby planets?

18:02 Will the entire Universe be black holes eventually?

19:29 How far could we reach?

21:25 Will Starship enable more planetary science?

23:32 Would metallic hydrogen be a big deal?

25:25 Will interferometers work well in space?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

In this week's questions show, I jump into the controversy between Blue Origin and SpaceX, explain why bigger telescopes are better, and talk about how Mercury has eternally shadowed craters and could serve as a place for a base.

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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Support Universe Today Podcast

The new season has begun! We're back with an all-new series of question shows. In this week's episode, I provide a quick guide to seeing fireballs (bolides), which are the brightest meteors you can see (and sometimes hear). I explain the philosophy behind Dyson Spheres, and explain why dark matter can't be made out of antimatter.

00:00 Start

00:43 How big are really bright meteors?

04:15 Are Dyson Spheres just pure fantasy?

08:19 What would it take to resolve features on Proxima B?

11:32 Could anti-matter be dark matter?

12:23 Is Jupiter a failed star?

13:15 Would the transmit method let us detect planets in Andromeda?

14:55 Disappearing stars?

17:38 No more Ewok Forest?

18:50 Could a collider create a dangerous black hole?

20:57 Should we find Oumuamua?

23:21 Could we detect techno signatures in Andromeda?

24:45 What's happening on Mars?

27:43 Could we detect an extraterrestrial war?

28:54 Will space-based power work?

30:43 Will Mars be a knowledge-based economy?

32:53 Will we ever live on Venus?

33:21 Is the Moon moving away?

34:09 Does NASA have new space suits for Artemis?

Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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You are free to use my work for any purpose you like, just mention me as the source and link back to this video.

Support Universe Today Podcast

My guest today is Dr. Hamsa Padmanabhan, a cosmologist at the University of Geneva. Dr. Padmanabhan's work involves the investigation of Cosmic Dawn, the period shortly after the beginning of the Universe when the large-scale structure of the cosmos was defined.

https://cosmology.unige.ch/users/hamsa-padmanabhan

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🚀 EMAIL NEWSLETTER:

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Read by 50,000 people every Friday. Written by Fraser. No ads.

Subscribe Free: https://universetoday.com/newsletter

🚀 OTHER PODCASTS:

════════════════════════════════════

Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists.

RSS: https://www.universetoday.com/feed/wshaudio/

iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769

YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/

Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.

RSS: https://astronomycast.libsyn.com/rss/

iTunes: https://podcasts.apple.com/ca/podcast/astronomy-cast/id191636169?mt=2

YouTube: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg

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🚀 CONTACT FRASER:

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Email: frasercain@gmail.com

🚀 LICENSE:

════════════════════════════════════

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You are free to use my work for any purpose you like, just mention me as the source and link back to this video.

Support Universe Today Podcast