Uploaded November 2025 | Updated September 2026, 3 weeks ago
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What is a realistic date for humans to land on Mars? What really hides on the dark side of the Moon? Is Moon a better place for a colony than Mars? And in Q&A+, do Dyson spheres or swarms make any sense?
00:00 Start
00:36 [Pack Jehan] If we discover life on Mars, should Venus also have it?
05:12 [Fantastic Al] Which solar body in the most interesting to study right now?
08:34 [Gherghinescu George] Is Moon better than Mars for colonizing?
09:50 [Matthew Moore] Is there anything on the dark side of the Moon?
11:50 [Mark Ahs] What's a realistic date for humans to land on Mars?
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π΄ [Q&A+] No YT ads. Bonus Question. For FREE
patreon.com/collection/116942
π£ [Overtime] Even more Q&A
patreon.com/collection/1720060
What is a realistic date for humans to land on Mars? What really hides on the dark side of the Moon? Is Moon a better place for a colony than Mars? And in Q&A+, do Dyson spheres or swarms make any sense?
00:00 Start
00:36 [Pack Jehan] If we discover life on Mars, should Venus also have it?
05:12 [Fantastic Al] Which solar body in the most interesting to study right now?
08:34 [Gherghinescu George] Is Moon better than Mars for colonizing?
09:50 [Matthew Moore] Is there anything on the dark side of the Moon?
11:50 [Mark Ahs] What's a realistic date for humans to land on Mars?
π° EMAIL NEWSLETTER
Read by 70,000 people every Friday. Written by Fraser. No ads.
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π§ PODCASTS
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frasercain@gmail.com
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![Furthest Known Galaxy, Gravitational Slingshot Speed Limit, Toppling Starship | Q&A 372
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Whats the furthest galaxy weve seen with JWST? What the maximum speed possible to achieve with gravitational slingshots? Is lunar Starship destined to topple? And in Q&A+, how many interstellar objects have we missed?
00:00 Start
00:39 [Andrew Drs Williamson YT] Whats the furtherest known galaxy?
05:12 [Zammer Z] Whats the max speed for a gravitational slingshot?
07:27 [Homestead Paradise] How can humans survive radiation exposure on a Mars trip?
10:58 [pizznops] Can satellites be seen with the naked eye?
12:15 [ksalbrecht88] Whats the limit for the Universe to become unreachable?
14:01 [Jay Lambert] Is lunar Starship destined to topple?
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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. Furthest Known Galaxy, Gravitational Slingshot Speed Limit, Toppling Starship | Q&A 372](https://i.ytimg.com/vi/qijpsdVdkxE/mqdefault.jpg)
![Data Centers in Space. Genius or Just Dumb? | Q&A 400
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AI data centers are a hot topic for a lot of space companies. That includes SpaceX who have applied for putting a million satellites into orbit. So, is this a genius idea that will put more money into space exploration and boost orbital infrastructure? Or are we all cooked when the bubble will burst?
Heres my interview on Doom Debates:
https://www.youtube.com/watch?v=1u07Q7WUVWo
00:00 Intro
00:37 [@mrspaceman2764] How screwed up are we?
10:38 [@jpietersen519] How would Moon-made satellites circularise their orbits?
16:59 [@darthex0] Will orbital data centers shade the Earth?
19:43 Celebrating 400 Q&A episodes!
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![Clickbait on Space YouTube and Much More [Q&A Livestream]
Join Fraser for a live questions and answer session about all things space and astronomy
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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. Clickbait on Space YouTube and Much More [Q&A Livestream]](https://i.ytimg.com/vi/r2rFhugeHc4/mqdefault.jpg)
![Falcon 9 Slams Into The Moon // Liquid on Pluto // Venus Isnβt Dead
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Interviews mentioned:
π Interview with Dr Matt Weller https://youtu.be/R18W6VVZMhc?si=RasWhg-Y9sfKvXys
π Interview with Dr Paul Byrne https://youtu.be/VXuhaJu-GNM?si=A-lFy8XUQHJLqvL-
Venus might not be completely dead. Evidence of liquid flowing on the surface of Pluto. Can primordial black holes cause supernova? And on Space Bites Plus, what happened to Neptunes rings and moons when Triton showed up?
00:00 Intro
00:18 Three Worlds Not One
https://www.universetoday.com/articles/the-asteroid-that-may-be-three-worlds
02:22 Venus Isnβt Dead
https://www.universetoday.com/articles/venus-isnt-dead-after-all
06:04 Liquid on Pluto
https://science.nasa.gov/blogs/science-news/2026/08/05/nasas-new-horizons-finds-evidence-of-recent-liquid-on-plutos-surface/
07:47 Charon Was Spinning Much Faster
https://www.universetoday.com/articles/charons-mountains-reveal-moon-once-spun-10x-faster
09:00 Primordial Black Holes and Supernovae
https://www.universetoday.com/articles/primordial-black-holes-can-trigger-type-ia-supernovae-and-astronomers-should-be-able-to-find-them
12:05 SpaceX Slams a Rocket Into The Moon
https://www.universetoday.com/articles/spacex-junk-hits-the-moon-not-a-good-sign
13:53 Vote results
https://www.youtube.com/@frasercain/posts
14:48 Voyager 2 Avoids Shutting Down More Instruments
17:05 Quick Update on New Glenn
https://x.com/davill/status/2085074404627915059
18:07 Rescuing the Rescuer
https://arstechnica.com/space/2026/08/heres-how-engineers-plan-to-save-the-satellite-sent-to-save-nasas-swift-mission/
19:40 More space news
20:50 Hank Greens AI controversy
Host: Fraser Cain
Producer: Anton Pozdnyakov
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![An Asteroid Surprised Astronomers // Limits of Relativity // Milky Way Disk Flipped
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Bad news for the planets of Barnard Starr. Measuring the atmosphere on a rocky world within the habitable zone. Identifying the asteroid that killed the dinosaurs. How the Milky Way flipped its disk. And on Space Bites Plus, how global Martian dust storms can be even worse.
00:00 Intro
00:19 Bad news for Barnards Star exoplanets
https://www.universetoday.com/articles/astronomers-determine-that-exoplanets-around-barnards-star-are-extremely-uninhabitable
02:27 Rocky + Habitable Zone + Atmosphere
https://www.universetoday.com/articles/the-first-breath-of-another-world
04:11 Testing the Limits of Relativity
https://www.universetoday.com/articles/a-star-orbiting-our-galaxys-supermassive-black-hole-tests-the-limits-of-relativity
06:24 Milky Way Flipped Its Disk
https://www.universetoday.com/articles/the-milky-way-flipped-its-disk-billions-of-years-ago
07:54 The Type of Meteorite that Killed the Dinosaurs
https://www.universetoday.com/articles/researchers-narrow-down-the-type-of-meteorite-that-killed-the-dinosaurs
09:07 Vote results
09:29 Asteroid Turned Out To Be a Comet
https://www.universetoday.com/articles/astronomers-catch-a-dark-comet-red-handed
11:45 Van Gogh in Space
https://www.universetoday.com/articles/the-dark-energy-cameras-new-image-is-reminiscent-of-van-gogh
13:01 Psyche flyby
https://www.universetoday.com/articles/nasas-psyche-spacecraft-captured-a-time-lapse-video-of-its-mars-flyby
14:16 More space news
15:44 Problem with YouTube
Host: Fraser Cain
Producer: Anton Pozdnyakov
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![Why Dont We Hear About LUVOIR Anymore? [Q&A Livestream]
Join Fraser for a live questions and answer session about all things space and astronomy
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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. Why Dont We Hear About LUVOIR Anymore? [Q&A Livestream]](https://i.ytimg.com/vi/s9XkvvAyx9g/mqdefault.jpg)

![NASA Made A Bold Decision About Artemis 3. Its Not What We Expected
David Kippingβs @CoolWorldsLab video: https://www.youtube.com/watch?v=sT7V4gE4ZIc
Mattβs podcast https://storiesbywilliams.com/podcast-series/ https://www.patreon.com/cw/houseofwilliams
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Meet the crew for Artemis III, Weighing a dormant black hole, evidence for a long-gone early planet, how robot probes could take over the galaxy, and in Space Bites+, scanning 3I/ATLAS for alien signals.
00:00 Intro
00:18 Artemis III Updates
https://arstechnica.com/space/2026/06/nasa-assigns-crew-for-artemis-iii-sets-aggressive-timeline-for-flying-it/
04:13 Weighing a Dormant Black Hole
https://www.universetoday.com/articles/orbiting-stars-give-clues-to-a-quiescent-black-holes-mass
05:43 How SMBHs Gain Weight
https://www.universetoday.com/articles/this-is-how-supermassive-black-holes-feed-themselves
07:22 Sgr A* Wind
https://www.universetoday.com/articles/theyve-been-searching-for-the-milky-ways-black-hole-wind-for-50-years-and-finally-found-it
08:42 Vote results
https://www.youtube.com/@frasercain/posts
09:18 Evidence for an Early Planet
https://www.universetoday.com/articles/a-rare-meteorite-just-revealed-a-lost-mars-sized-planet-from-the-dawn-of-the-solar-system
11:44 Observing Protoplanetary Diskβs Rotation
https://www.universetoday.com/articles/astronomers-make-live-observation-of-a-nearby-protoplanetary-disks-rotation
13:16 Cosmic Web Like Youve Never Seen it Before
https://www.universetoday.com/articles/the-cosmic-web-like-youve-never-seen-it-before
15:14 David Kipping Has a New Take on the Existence of Advanced Life
https://www.universetoday.com/articles/david-kipping-has-a-new-take-on-the-existence-of-advanced-life-in-the-universe-and-the-numbers-are-n
17:51 More space news
19:04 Matt Williams podcast
https://storiesbywilliams.com/podcast-series/
Host: Fraser Cain
Producer: Anton Pozdnyakov
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![Half Of Our Galaxy Is Hotter Than The Other (We Finally Know Why!)
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New info about 3I/ATLAS, NASA tests a new high-power ion engine, did dark matter power early black hole formation, why is half the Milky Way hotter than the other? And in Space Bites+, different sources for two of Uranus moons.
00:00 Intro
00:15 More info on 3I/ATLAS
https://www.universetoday.com/articles/interstellar-comet-3iatlas-left-a-trail-of-methane-in-its-wake
https://www.universetoday.com/articles/new-research-reveals-that-interstellar-comet-3iatlas-formed-in-a-system-far-colder-than-our-own
04:04 NASA tests new ion engine
https://www.jpl.nasa.gov/news/nasa-fires-up-powerful-lithium-fed-thruster-for-trips-to-mars/
06:45 NO to NASA budget cuts
https://spacenews.com/house-appropriators-keep-nasa-funding-flat/
07:50 Earliest SMBH Mystery
https://www.universetoday.com/articles/is-the-earliest-supermassive-black-hole-mystery-solved
09:46 Vote results
https://www.youtube.com/@frasercain/posts
10:15 Milky Wayβs Hot Side
https://www.universetoday.com/articles/our-galaxy-has-a-hot-side-and-now-we-know-why
11:56 Wheres the edge of the Milky Way
https://www.universetoday.com/articles/astronomers-find-the-edge-of-the-milky-ways-star-forming-disc
13:52 Disappearing exoplanets
https://www.universetoday.com/articles/toi-201-planets-are-wobbling-out-of-our-line-of-sight
16:02 Thats no moon
https://www.universetoday.com/articles/jwst-hunts-for-an-earth-moon-twin-in-a-habitable-zone-but-the-star-has-other-plans
18:20 More space news
19:46 Working with Vera Rubin data
Host: Fraser Cain
Producer: Anton 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. Half Of Our Galaxy Is Hotter Than The Other (We Finally Know Why!)](https://i.ytimg.com/vi/tejYwoRqG38/mqdefault.jpg)