Uploaded August 2026 | Updated September 2026, 3 weeks ago
π΄ [Interview+] No YT ads. Bonus Part. FREE for everyone
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π£ Guest: Dr. Mike Rubenstein
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π Actively Steerable Femtosat Constellations for In-situ Exploration of Saturnβs Rings, Atmosphere, and Magnetosphere
nasa.gov/directorates/stmd/niac/actively-steerable-femtosat-constellations-for-in-situ-exploration-of-saturns-rings-atmosphere-and-magnetosphere
π All 2026 NIAC Selections
nasa.gov/directorates/stmd/niac/niac-studies/niac-2026-selections
Saturn's rings are dense. Sending one flagship probe through them makes no sense. It'll most probably be lost. But sending a swarm of small cheap probes does. Even if a lot of them won't survive, you're still getting lots of data. This is exactly what this NIAC project is proposing.
00:00 Intro
01:22 Observing Saturn's rings
05:21 A swarm of satellites
21:56 Current obsessions
23:36 Final thoughts
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βοΈ 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.
π΄ [Interview+] No YT ads. Bonus Part. FREE for everyone
patreon.com/universetoday/posts/165844581
π£ Guest: Dr. Mike Rubenstein
https://robotics.northwestern.edu/
π Actively Steerable Femtosat Constellations for In-situ Exploration of Saturnβs Rings, Atmosphere, and Magnetosphere
nasa.gov/directorates/stmd/niac/actively-steerable-femtosat-constellations-for-in-situ-exploration-of-saturns-rings-atmosphere-and-magnetosphere
π All 2026 NIAC Selections
nasa.gov/directorates/stmd/niac/niac-studies/niac-2026-selections
Saturn's rings are dense. Sending one flagship probe through them makes no sense. It'll most probably be lost. But sending a swarm of small cheap probes does. Even if a lot of them won't survive, you're still getting lots of data. This is exactly what this NIAC project is proposing.
00:00 Intro
01:22 Observing Saturn's rings
05:21 A swarm of satellites
21:56 Current obsessions
23:36 Final thoughts
π° GUIDE TO SPACE NEWSLETTER
Read by 70,000 people every Friday. Written by Fraser. No ads.
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π§ PODCASTS
Universe Today: universetoday.com/podcast
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π© CONTACT FRASER
frasercain@gmail.com
βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
You are free to use my work for any purpose you like, just mention me as the source and link back to this video.
![Nuking the Moon, A Week in Space, Fast Space Travel | Q&A 381
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Which of out current space travel methods are the fastest? Is it better to spend a week in orbit or on the Moon? What would happen if we nuked the Moon? And in Q&A+, which animal would handle 0G the best?
00:00 Start
00:26 [Brennan ODonnell] What are the fastest current methods of space travel?
02:27 [True Crony] Can Earth-Moon create tidal fiction to keep a moon warm?
03:26 [Rusty] What would our biggest bombs do to the Moon?
04:27 [Robert Gevere] Which would be easier to make habitable for humans, Mars or Venus?
07:08 [Tommys Woodpile Adventures And Tall Tales] Do we have a Voyager-type mission to interstellar space today?
08:40 [Todd Ablett] Would I rather spend a week in orbit or on the Moon?
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![Theres Something Weird Going On in M83
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Supernova remnants should be stable. All the action is long gone. But newly found supernovae in M87 unexpectedly show signs of rapid change. Why does this happen? Nobody really nows yet.
π£ Guest: Dr. Roy Kilgard
https://rkilgard.faculty.wesleyan.edu/
π NASAs Chandra Finds Unexpected Fireworks in Aftermath of Stellar Explosions
https://chandra.si.edu/press/26_releases/press_061526.html
00:00 Intro
01:56 Dynamic supernovae
08:28 Whats going on there?
20:11 How can we resolve this mystery
22:08 X-ray binaries
24:24 Demarkation of compact objects
29:17 Neutron stars becoming black holes
34:06 Current obsessions
41:38 Final thoughts
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![SpaceX Turns Away from Mars // Venus Lava Tube Confirmed // Chinas Moon Rocket Test
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A lava tube found on Venus, China tests its new capsule and softlands a rocket, SpaceX shifts focus from Mars to the Moon, and in Space Bites+, 5 galaxies colliding in the early Universe.
00:00 Intro
00:16 New image from EHT
https://www.universetoday.com/articles/the-collaboration-that-brought-you-the-first-image-of-a-black-hole-just-released-photos-of-its-massi
02:19 Lava Tube on Venus
https://www.universetoday.com/articles/massive-venus-lava-tube-detected-using-data-from-nasas-long-defunct-magellan-spacecraft
04:43 Chinas Moon Rocket Test
https://news.cgtn.com/news/2026-02-11/VHJhbnNjcmlwdDg5MDIw/index.html
06:25 SpaceX pivots from Mars to Moon
https://www.universetoday.com/articles/spacex-makes-a-huge-pivot-wants-to-build-on-the-moon-instead
08:21 Another possible explanation for Little Red Dots
https://www.universetoday.com/articles/the-little-red-dots-observed-by-webb-were-direct-collapse-black-holes
11:17 Vote results
https://www.youtube.com/@frasercain/posts
11:55 Possible bright comet alert
https://www.universetoday.com/articles/new-sungrazer-comet-a1-maps-could-be-bright-in-early-april-if-it-survives-perihelion
13:46 More of 3I/ATLAS
https://www.universetoday.com/articles/nasas-spherex-mission-spots-3iatlass-bright-envelope
14:28 More space news
15:42 Why SpaceX plans make sense
Host: Fraser Cain
Producer: Anton Pozdnyakov
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βοΈ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
You are free to use my work for any purpose you like, just mention me as the source and link back to this video. SpaceX Turns Away from Mars // Venus Lava Tube Confirmed // Chinas Moon Rocket Test](https://i.ytimg.com/vi/XqCx81ky8Ts/mqdefault.jpg)
![Moon Bases Locations, Lunar Internet, Suns Companion | Q&A 407
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Could the Sun have a binary companion, are we the only observers in the Universe, will lunar bases be close to each other? And in Q&A+, could we grow crops in asteroid regolith?
00:00 Intro
00:23 [@SantiagoT75] Can the Sun be orbiting another star we just havenβt yet noticed?
04:54 [@silasmiller4417] Are we really the only true observer in the Universe?
07:25 [@terryhardaway3285] How hard would it be to put the ISS in lunar orbit or on the Moon?
10:00 [@Space_Whales42] How close do you think the Chinese base on the moon will be to the American base?
12:14 [@Noonyuh] What sort of internet bandwidth should we expect on our moon bases?
14:47 Outro
π° EMAIL NEWSLETTER
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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. Moon Bases Locations, Lunar Internet, Suns Companion | Q&A 407](https://i.ytimg.com/vi/YZD1WNKzbiQ/mqdefault.jpg)
![Crazy-Spinning Asteroid // NASAβs Budget is Back // Medical Evacuation from ISS
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π Vote for the best story here:
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Rubin spots a rapidly spinning asteroid, Congress restores NASAβs funding, Crew 11 is back on Earth for a medical emergency, the Pandora Space Telescope launches. And in Space Bites+, two new exoplanets around a red dwarf could help push the habitable zone out.
00:00 Intro
00:15 Rubin Discovers A Record-Breaking Asteroid
https://www.universetoday.com/articles/rubin-observatory-spots-fastest-spinning-asteroid-ever
02:15 NASA Budget Is Safe For Another Year
https://arstechnica.com/space/2026/01/nasas-science-budget-wont-be-a-train-wreck-after-all/
04:57 First Ever Medical Evacuation from The ISS
https://www.universetoday.com/articles/nasa-to-return-spacex-crew-ahead-of-schedule
https://www.universetoday.com/articles/follow-spacexs-returning-crew-11-mission-wednesday-night
07:04 Pandora Launched
https://www.youtube.com/watch?v=96Ee8Z-sbSU
09:09 Vote Results
https://www.youtube.com/@frasercain/posts
09:38 A Supernova That Shouldnβt Exist
https://www.universetoday.com/articles/a-supernova-that-shouldnt-exist
11:43 Solving the Mystery of Blue Flashes
https://www.universetoday.com/articles/solving-the-mystery-of-blue-flashes
14:06 Cool Space Images
https://www.universetoday.com/articles/young-stellar-objects-are-prominent-in-a-new-hubble-image
https://www.universetoday.com/articles/when-baby-stars-throw-tantrums
16:54 More space news
17:33 AI as the Great Filter
https://www.patreon.com/posts/147346705
Host: Fraser Cain
Producer: Anton Pozdnyakov
Editing: Artem Pozdnyakov
π° GUIDE TO SPACE EMAIL NEWSLETTER
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![Flat Planet, 3I/ATLAS vs Jupiter, Next Gen Space Stations | Q&A 388
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Would we even notice if 3I/ATLAS smashed into Jupiter? What are the plans for next gen space stations? Is it okay that most succesful space corporations are run by billionaires? And in Q&A+, what the hell is a ThorneβΕ»ytkow object?
00:00 Start
00:27 [@madmillion91920110] Would we notice if 3I/ATLAS smashed into Jupiter?
02:21 [@puravidahoser] What would the next Space Station look like?
05:27 [@indoorteacher] Can a flat Earth actually exist somewhere in the Universe?
06:09 [@jonathanchamberlain6260] How do we know the age of the Sun?
08:46 [@ayushagrawal3346] Can astrophotography be a career?
11:04 [@indoorteacher] Thoughts on billionaires running space companies
15:03 [@thebunnyluvr] How big of a telescope can fit in a Starship?
16:05 [@davidva8694] Finding aliens VS being found by aliens?
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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. Flat Planet, 3I/ATLAS vs Jupiter, Next Gen Space Stations | Q&A 388](https://i.ytimg.com/vi/ZHdlHSv-OgQ/mqdefault.jpg)
![When Will Rockets Finally Evolve? [Q&A Livestream]
Join Fraser for a live questions and answer session about all things space and astronomy
π° EMAIL NEWSLETTER
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![3I/ATLAS Closest Approach // Rock Giants // New NASA Administrator
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3I/ATLAS makes its closest approach to Earth, a new independent way to measure the Hubble constant, are Uranus and Neptune actually rock giants? Jared Isaacman is the new NASA administrator. And in Space Bites+, astronomers search for the black hole in the Omega Centauri cluster.
00:00 Intro
00:16 3I/ATLASβ Closest Approach to Earth
https://www.universetoday.com/articles/comet-3iatlas-has-a-green-glow-in-new-color-images-from-gemini-north
https://www.universetoday.com/articles/hubble-catches-another-glimpse-of-3iatlas
https://www.universetoday.com/articles/esas-xmm-newton-examines-comet-3iatlas-prior-to-closest-earth-passage-friday
04:16 Independent measurement of Hubble Constant
https://www.universetoday.com/articles/gravitational-lenses-deliver-a-verdict-on-the-hubble-tension
07:48 Rock Giants
https://www.universetoday.com/articles/uranus-and-neptune-might-be-rock-giants
10:39 Jared Isaacman practically becomes NASA Administrator
https://www.bbc.com/news/articles/c5ydvlx28kwo
13:57 Rogue planet shaping the Solar System
https://www.universetoday.com/articles/did-a-rogue-planet-reshape-our-solar-system
16:14 Jupiter with two suns
https://www.universetoday.com/articles/astronomers-snap-a-rare-photo-of-a-super-jupiter-with-two-suns
18:18 Vote results
18:45 Runaway supermassive black holes
https://www.universetoday.com/articles/thank-the-jwst-for-confirming-the-first-runaway-supermassive-black-hole
21:23 SMBHs in dwarf galaxies
https://www.universetoday.com/articles/recent-surveys-reveal-dwarf-galaxies-may-not-contain-supermassive-black-holes
25:59 More space news
27:34 Take back the control over your media
Host: Fraser Cain
Producer: Anton Pozdnyakov
Editing: Artem Pozdnyakov
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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. 3I/ATLAS Closest Approach // Rock Giants // New NASA Administrator](https://i.ytimg.com/vi/_P7MmL67vzc/mqdefault.jpg)
![Everything You Need to Know About Gravitational Waves in 2026
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Whats going on with gravitational wave observations now? Whats the state of LIGO? What new science can we get from it? How does gravitational energy escape the black holes? How will LIGO work together with Vera Rubin? Finding out all this and more in this interview.
π£ Guest: Dr. Keefe Mitman
https://keefemitman.github.io/
00:00 Intro
02:04 Detections of gravitational waves
05:37 Where does the lost mass come from?
09:27 GW250114
11:45 What makes a good black hole merger
18:21 LIGO maintenance and Vera Rubin collabs
21:07 Measuring cosmic distances
24:37 Primordial graviational waves
27:25 Whats next for LIGO
30:56 Current obsessions
33:58 Final thoughts
π° GUIDE TO SPACE NEWSLETTER
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