![[NIAC 2025] Using Metamaterials to Build A Starshade in Space](https://is1-ssl.mzstatic.com/image/thumb/Podcasts122/v4/3d/2a/9e/3d2a9e4d-6e77-d8bd-01de-be8d2278a967/mza_6335075469144466696.jpg/250x250bb.jpg)
エピソード
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We all want to see potentially habitable exoplanets around Sun-like stars. But to do that you need a starshade. Something to cover the star and reveal the faint planets around it. What can we build these structures from to make them rigid and strong enough? Finding out in this interview.
🟣 Guest: Christine Gregg
Dynamically Stable Large Space Structures via Architected Metamaterials
https://www.nasa.gov/directorates/stmd/niac/dynamically-stable-large-space-structures-via-architected-metamaterials/
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00:00 Intro
02:05 Meta-materials
06:12 NIAC award
14:11 In-space assembly
27:04 More interviews
📺 VIDEO VERSION
https://youtu.be/exiT7BsJhH0
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
Why are most craters circular, no matter which angle the meteor falls? Is there a size limit for a telescope before diminishing returns take place? Can black holes have atmospheres? Answering all these questions and more in this Q&A show.
👉 Watch the extended Overtime Q&A:
https://www.patreon.com/universetoday
00:00 Start
00:24 How big can a telescope get?
05:12 Does an optical telescope on the Moon make any sense?
08:13 Can black holes have atmospheres?
11:05 Why are craters circular not elliptical?
12:41 Will Starship refuel in orbit in 2025?
12:52 Is there evidence for primordial black holes?
📺 VIDEO VERSION
https://youtu.be/MaKWptXAxC8
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エピソードを見逃しましたか？
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Space Docks are everywhere in science fiction. It's the most logical way to build big constructions in space. So, NASA funded a futuristic project that studies the possibility of assembling structures in space.
🦄 Support us on Patreon:
https://patreon.com/universetoday
🚀 NIAC 2024 playlist (https://www.youtube.com/playlist?list=PLbJ42wpShvmn__xOxSjc9zn8AEeaL831-)
🚀 NIAC 2023 playlist (https://www.youtube.com/playlist?list=PLbJ42wpShvmmM_Ft5DzAbrwzXHB8ED0rf)
🟣 Guest: Dr Vojtech Holub
https://thinkorbital.com/
🚀 NIAC award, Construction Assembly Destination:
https://www.nasa.gov/directorates/stmd/niac/construction-assembly-destination/
00:00 Intro
01:26 Welding in space experiment
08:03 The NIAC award
27:39 Current obsessions
30:01 Final thoughts and more interviews
📺 VIDEO VERSION
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The MOXIE experiment on the Perseverance rover showed that creating oxygen on other planets is possible. Now, we can apply the same logic to Venus. This could allow the creation of constantly floating balloons, leading to cloud cities in the future.
🦄 Support us on Patreon:
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00:00 Intro
02:03 MOXIE experiment on Perseverance
08:17 Exploring Venus with Electrolysis
22:18 Protecting the balloon
25:10 Efficiency
34:23 More interviews
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Venus is closer than Mars. It's more Earth-like. We can bring back samples from it. But it's chronically underexlored. This is why we need a Venus Exploration Program!
👉 Watch the bonus part about Mars Sample Return:
https://www.patreon.com/universetoday
🟣 Guest: Dr Paul Byrne
https://arxiv.org/pdf/2412.06830
00:00 Intro
01:35 Current state of Venus exploration
08:08 Venus Exploration Program
16:41 Technological advancements
23:32 Venus Sample Return
27:05 Why Venus at all
38:36 Big scientific question
57:07 Current obsessions
📺 VIDEO VERSION
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The building blocks of life have been found in asteroid samples, the most volcanic activity ever seen on Io, astronauts are searching for bacteria on the outside of the space station, and Ingenuity found surprisingly fast wind speeds on Mars.
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https://www.patreon.com/c/universetoday/posts
👉 TRAPPIST-1 Interview
https://youtu.be/B8H4EnbKkgU?si=yx3T0c04AC2fRg8c
00:00 Intro
00:19 Building blocks for life in OSIRIS-REx samples
https://www.universetoday.com/170693/the-building-blocks-for-life-found-in-asteroid-bennu-samples/
03:08 First launch for an asteroid mining company
https://arstechnica.com/space/2025/01/astroforge-selects-target-for-high-risk-seat-of-the-pants-asteroid-mission/
05:47 Record-breaking volcanic activity on Io
https://www.universetoday.com/170655/juno-sees-a-massive-hotspot-of-volcanic-activity-on-io/
07:08 2 planets 1 star
https://www.universetoday.com/170673/massive-gas-giant-planets-locked-in-a-gravitational-struggle/
08:39 Microbes outside the ISS
https://www.universetoday.com/170658/astronauts-are-going-to-check-if-there-are-microbes-on-the-outside-of-the-station/
10:31 Vote results
https://www.youtube.com/@frasercain/community
11:04 Ingenuity and wind speeds
https://www.universetoday.com/170619/ingenuity-measured-windspeeds-on-mars-during-its-flights/
12:43 M87 changing over time
https://www.universetoday.com/170642/watching-the-changing-m87-black-hole-event-horizon/
14:45 Predicting solar flares with AI
https://www.universetoday.com/170687/machine-learning-could-have-predicted-the-powerful-solar-storms-in-2024/
17:02 More space news
17:42 Flood of interviews
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
How big can a space crowbar be? Why does the Sun look bigger near the horizon? How do we measure temperature on the Moon? Answering all these questions and more in this Q&A show.
👉 Watch the extended Overtime Q&A:
https://patreon.com/universetoday
00:00 Start
00:23 How do we measure temperature on the Moon or in space?
03:51 Can you see more of the Milky Way in the Southern Hemisphere?
06:07 What is metallic hydrogen?
10:16 Is the Sun bigger near the horizon?
12:45 What's Gaia's role in the distance ladder?
15:45 How big can a crowbar be in space?
📺 VIDEO VERSION
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⚖️ LICENSE
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NASA is launching a new telescope this year called Pandora. It'll be specifically inspecting atmospheres of exoplanets. It even uses spare parts from JWST. Learning more about the Pandora telescope in this interview.
🟣 Guest: Dr Ben Hord
https://pandorasat.com/
🦄 Support us on Patreon:
https://patreon.com/universetoday
00:00 Intro
01:31 What is the Pandora mission
07:37 Target selection
13:38 Spare detector from JWST
16:59 Fighting stellar contamination
26:32 An alternative for TRAPPIST-1
28:57 What's next for Pandora
35:05 Current obsessions
38:18 Final thoughts
📺 VIDEO VERSION
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⚖️ LICENSE
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Did we find ore veins on Moon or Mars? Can we see astronomical objects in 3D? Can we catch a ride on a comet? How will the internet work on Mars? Answering all these questions and more in this Q&A.
👉 Watch the extended Overtime Q&A:
https://patreon.com/universetoday
00:00 Start
00:23 Did we find ore veins on Moon or Mars?
05:13 Is it harder to land on the Moon or on Mars?
10:40 What are the potential supernovae we could see in our lifetime?
12:41 Can we hitch a ride on a comet?
14:16 What will the Mars colony internet be like?
17:45 How to communicate with Mars when it's blocked by the Sun?
📺 VIDEO VERSION
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
What's going on with the TRAPPIST-1 system? Did James Webb find atmospheres or not? Do any of the planets have a chance to be habitable? When should we expect more information? Answering all these questions in this interview.
👉 Get the extra part for free here:
https://www.patreon.com/universetoday
🟣 Guest: Megan Gialluca
https://depts.washington.edu/astrobio/wordpress/profile/megan-gialluca/
00:00:00 Intro
00:01:43 TRAPPIST-1b
00:17:45 TRAPPIST-1c
00:35:12 TRAPPIST-1d
00:40:06 TRAPPIST-1e, f, g, h
00:42:19 The problem of stellar contamination
01:03:50 Current obsessions
📺 VIDEO VERSION
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
What happened to Starship during test flight 7? Astronomers see a black hole’s jets forming in real-time. Curiosity finds ripples of an ancient shore, and an insanely high-resolution image of Andromeda captured by Hubble.
🚀 Watch our videos with no ads:
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00:00 Intro
00:19 What happened to Starship during Flight 7
https://www.spacex.com/launches/mission/?missionId=starship-flight-7
02:25 Black Hole jets forming in real-time
https://www.universetoday.com/170504/black-hole-jets-seen-forming-in-real-time/
03:37 Flapping flag on the Moon
https://www.universetoday.com/170350/chinas-change-7-will-include-a-flag-that-will-flap-on-the-moon/
05:35 Super fast winds on an exoplanet
https://www.universetoday.com/170549/supersonic-winds-blowing-on-an-extreme-exoplanet/
06:55 Non-solo hot Jupiters
https://www.universetoday.com/170538/hot-jupiters-can-co-exist-with-other-planets/
08:19 Vote results
09:06 Predicting solar flares
https://www.universetoday.com/170547/coronal-loops-flicker-right-before-the-sun-unleashes-big-flares/
10:56 Why Mars has two different hemispheres
https://www.anu.edu.au/news/all-news/new-marsquake-data-could-help-solve-one-of-our-solar-systems-biggest-mysteries
12:35 Open water marks from Curiosity
https://www.universetoday.com/170532/curiosity-finds-ancient-wave-ripples-on-mars/
14:13 2.5 Billion pixels of Andromeda
https://www.universetoday.com/170498/hubble-takes-a-2-5-gigapixel-image-of-andromeda/
15:45 NIAC season
📺 VIDEO VERSION
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
How does JWST stay in L2 and not drift away? What is the wait calculation for Alpha Centauri? How can we use Jupiter's Lagrange points? Answering all these questions and more in this Q&A show.
👉 Get an extra Overtime Q&A episode:
https://www.patreon.com/posts/overtime-for-qa-120485354
00:00 Start
00:26 How does JWST stay in L2?
02:57 What is the 'wait calculation' for Alpha Cen?
06:49 Why don't they just ... wear weights to compensate for low gravity?
08:57 Can two telescopes act as an Earth-sized binocular?
14:25 Why so few timelapses?
16:15 Can we do anything interesting at Jupiter's Lagrange points?
📺 VIDEO VERSION
https://youtu.be/xfS9_1li3XE
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
To look for lifer in space we need to understand it. What fundamental boundaries does it have? What limits are imposed on life? Finding out in this interview.
🦄 Get the extra part for free here:
https://www.patreon.com/universetoday
🟣 Guest: Dr Ricard Solé
https://santafe.edu/people/profile/ricard-sole
📜 Fundamental constraints to the logic of living systems
https://royalsocietypublishing.org/doi/10.1098/rsfs.2024.0010
👉 More interviews:
This Element Is Critical for Extraterrestrial Life. And It's Not Carbon https://youtu.be/Ppc3zzMTJTs
What The Hell Is Life? And How Do We Search For It? https://youtu.be/Eaab2tkiKQ
What Happens If We Find Extraterrestrial Life? https://youtu.be/2buH0GXFx8
00:00 Intro
01:26 Fundamental constraints
08:28 Information as a limiting factor
16:16 Fundamental logic of cell structure
23:25 Computer programming VS life
24:56 Limits for life
33:57 Current obsessions
38:16 Bonus part and more interviews
📺 VIDEO VERSION
https://youtu.be/b7D2AhNTprU
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
Did we already contaminate Mars with life from Earth? When will we find the first intergalactic object? How do we know dark matter is in the center of the Milky Way? Answering all these questions and more in this Q&A show.
👉 Get an extra Overtime Q&A episode:
https://patreon.com/universetoday
00:00 Start
00:26 Did we already contaminate Mars?
06:42 When will we discover a first intergalactic object?
11:19 How do we know that dark matter in at the center of the Milky Way?
14:44 Biggest night sky events of 2025?
15:57 What's the Solar System's ecliptic orientation in our galaxy?
17:57 How many laps did the Sun make around the Milky Way?
19:00 How do astronomers use JWST?
21:40 Why don't more people work with the data from telescopes?
📺 VIDEO VERSION
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⚖️ LICENSE
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We're used to look for life on exoplanets. But what if we're looking in the wrong place? Can life exist without a planet? Finding out in this interview.
🦄 Get the extra part for free here:
https://www.patreon.com/posts/bonus-interview-120418842
🟣 Guest: Dr. Robin Wordsworth
https://eps.harvard.edu/people/robin-wordsworth
📜 Self-sustaining living habitats in extraterrestrial environments
https://arxiv.org/pdf/2409.14477
00:00 Intro
00:59 Life on Earth
03:57 Life without a planet
27:32 Finding life with no planet
35:50 Terraforming Mars
35:50 Current obsessions
42:00 Bonus part and more interviews
📺 VIDEO VERSION
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0) -
The Gaia mission is over, New Glenn gets to orbit, SpaceX catches SuperHeavy but loses Starship, and we finally get an explanation for little red dots.
🚀 Ask your questions:
https://www.patreon.com/posts/patrons-send-in-120156795
00:00 Intro
00:18 Gaia is over
https://www.universetoday.com/170452/the-gaia-missions-science-operations-are-over/
02:51 SpaceX Starship IFT-7
04:53 Blue Origin New Glenn NG-1
https://www.blueorigin.com/news/new-glenn-ng-1-mission v
06:54 Double Moon Launch
https://skyandtelescope.org/astronomy-news/blue-ghost-lunar-lander-heads-to-the-moon/
08:16 Flares from Sgr A
https://www.universetoday.com/170444/astronomers-see-flares-coming-from-the-milky-ways-supermassive-black-hole/
09:58 Vote results
https://www.youtube.com/@frasercain/community
10:37 Explanation for the Little Red Dots
https://www.universetoday.com/170430/webb-provides-an-explanation-for-little-red-dots/
14:15 Origin of Earth's latest quasimoon
https://www.universetoday.com/170427/earths-temporary-moon-might-have-come-from-the-moon/
15:39 Observing the changing Universe
https://www.universetoday.com/170412/the-webb-shows-us-where-cosmic-dust-comes-from/
17:24 NIAC 2025
https://www.nasa.gov/directorates/stmd/niac/niac-2025-selections/
18:17 Guide to Space newsletter
18:57 Ask your questions
📺 VIDEO VERSION
#TODO_LINK
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Are there any other local groups of galaxies out there? Did the high temperature of the Universe create life? Will NASA be skipping the Moon for Mars? Answering all these questions and more in this Q&A.
🦄 Additional Overtime episode:
https://www.patreon.com/posts/overtime-audio-120001337
00:00 Start
00:25 Do we know of other 'local groups' of galaxies?
05:05 Did the temperature of the Universe create life?
08:37 What would be the first megaproject in space?
11:46 Can we move dirty production to the Moon?
16:09 Will NASA be skipping the Moon for Mars?
📺 VIDEO VERSION
https://youtu.be/oFww0rlSBpY
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How will the upcoming MAUVE telescope fit into the search for exoplanets? What science goals will it have? How will future instruments and telescopes help? Finding out in this interview.
🦄 Get the extra part for free here:
https://www.patreon.com/posts/bonus-interview-120079050
🟣 Guest: Dr. Emily Rickman
https://www.emilyrickman.com/
📜 MAUVE: Mission to Analyze the UltraViolet universE
https://arxiv.org/abs/2411.04164
👉 More interviews:
* Nancy Grace Roman's Coronagraph https://youtu.be/HXZMRagv66M
* Habitable Worlds Observatory's Coronagraph https://youtu.be/pk9dLIw3IEM
* Searching for planets around red dwarf stars https://youtu.be/p8X_qrtxPm8
* Plato mission https://youtu.be/TofP5yeqNLg
* Gaia mission https://youtube.com/live/iHcLBZaC5x4
* JWST & Quantum Telescopes https://youtu.be/eXchT7mtEao
00:00 Intro
02:05 UV astronomy
08:21 What is MAUVE
18:28 Science goals
26:16 Future instruments
35:35 Current obsessions
40:21 Bonus part
41:03 More interviews
📺 VIDEO VERSION
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⚖️ LICENSE
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When did the first terrestrial planets form? How can galaxies collide when the Universe is expanding? Do black holes have Lagrange points? Answering all these questions and more.
🦄 Support us on Patreon:
https://patreon.com/universetoday
00:00 Start
00:25 When would the first terrestrial planets have formed?
04:40 Did humanity stall with spaceflight?
11:44 If the Universe is expanding, how can galaxy crash into each other?
15:12 How can a teenager help in space exploration?
19:06 Do black holes have Lagrange points?
21:15 Can we watch alien TV?
24:53 Are we alone in the Universe?
📺 VIDEO VERSION
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⚖️ LICENSE
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How can neutrinos help us find dark matter? How a 10-year search can give null results and what significance does it have? What's next for this direction? Finding out in this interview.
🦄 Support us on Patreon:
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00:00 Intro
01:34 Why Neutrinos
14:03 High energy VS low energy search
17:04 Bonus Part: Null results
18:15 What's next
32:27 Current obsessions
34:54 More interviews
📺 VIDEO VERSION
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