Uploaded March 2026 | Updated September 2026, 3 weeks ago
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Asteroid 2024 YR4 will not impact the moon in 2032. Jupiter is smaller and flatter than we thought. New ways to measure the expansion rate of the universe. And in Space Bites Plus, even tardigrades struggle in Martian Regolith.
00:00 Intro
00:16 Moon slam's not happening
https://www.esa.int/Space_Safety/Planetary_Defence/Asteroid_2024_YR4_will_not_impact_the_Moon
01:43 Interplanetary Habitable Zone
universetoday.com/articles/introducing-the-interplanetary-habitable-zone
04:39 We Were Wrong About Jupiter
universetoday.com/articles/jupiter-is-smaller-and-flatter-than-previously-thought
06:23 Most Detailed Radio Map of the Universe Ever
universetoday.com/articles/the-lofar-telescope-produces-the-most-detailed-radio-map-of-the-universe-ever
08:10 New Ways to Measure Cosmic Expansion
universetoday.com/articles/astronomers-device-a-new-way-to-measure-cosmic-expansion-with-lensed-supernovae
10:15 Measuring Expansion with Gravitational Waves
universetoday.com/articles/illinois-and-uchicago-physicists-develop-a-new-method-for-measuring-cosmic-expansion
13:37 Senate Approves Artemis Changes. Gives ISS 2 More Years
arstechnica.com/space/2026/03/the-us-senate-empowers-nasa-to-fully-engage-in-lunar-space-race
15:57 Vote results
youtube.com/@frasercain/posts
16:26 Alien Megastructures on The H-R Diagram
universetoday.com/articles/the-coldest-stars-in-the-galaxy-might-actually-be-alien-megastructures
18:19 Just Like The Martian
universetoday.com/articles/growing-future-meals-in-space-will-require-human-waste
19:46 Euclid and Hubble Team Up
universetoday.com/articles/cosmic-collaboration-euclid-and-hubble-team-up-to-capture-the-cats-eye-nebula
20:43 More Space News
21:52 Something Big's Coming
Host: Fraser Cain
Producer: Anton Pozdnyakov
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⚖️ 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.
🔴 [Space Bites+] No ADS. BONUS Story. For FREE:
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🔵 Vote for the best story here:
youtube.com/@frasercain/posts
Asteroid 2024 YR4 will not impact the moon in 2032. Jupiter is smaller and flatter than we thought. New ways to measure the expansion rate of the universe. And in Space Bites Plus, even tardigrades struggle in Martian Regolith.
00:00 Intro
00:16 Moon slam's not happening
https://www.esa.int/Space_Safety/Planetary_Defence/Asteroid_2024_YR4_will_not_impact_the_Moon
01:43 Interplanetary Habitable Zone
universetoday.com/articles/introducing-the-interplanetary-habitable-zone
04:39 We Were Wrong About Jupiter
universetoday.com/articles/jupiter-is-smaller-and-flatter-than-previously-thought
06:23 Most Detailed Radio Map of the Universe Ever
universetoday.com/articles/the-lofar-telescope-produces-the-most-detailed-radio-map-of-the-universe-ever
08:10 New Ways to Measure Cosmic Expansion
universetoday.com/articles/astronomers-device-a-new-way-to-measure-cosmic-expansion-with-lensed-supernovae
10:15 Measuring Expansion with Gravitational Waves
universetoday.com/articles/illinois-and-uchicago-physicists-develop-a-new-method-for-measuring-cosmic-expansion
13:37 Senate Approves Artemis Changes. Gives ISS 2 More Years
arstechnica.com/space/2026/03/the-us-senate-empowers-nasa-to-fully-engage-in-lunar-space-race
15:57 Vote results
youtube.com/@frasercain/posts
16:26 Alien Megastructures on The H-R Diagram
universetoday.com/articles/the-coldest-stars-in-the-galaxy-might-actually-be-alien-megastructures
18:19 Just Like The Martian
universetoday.com/articles/growing-future-meals-in-space-will-require-human-waste
19:46 Euclid and Hubble Team Up
universetoday.com/articles/cosmic-collaboration-euclid-and-hubble-team-up-to-capture-the-cats-eye-nebula
20:43 More Space News
21:52 Something Big's Coming
Host: Fraser Cain
Producer: Anton Pozdnyakov
📰 GUIDE TO SPACE EMAIL NEWSLETTER
Read by 70,000 people every Friday. Written by Fraser. No ads.
universetoday.com/newsletter
🎧 PODCASTS
Universe Today: universetoday.com/podcast
Astronomy Cast: astronomycast.com
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ 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.
![Will The Sun Consume Earth After All? | Q&A 439
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Will the Sun consume the Earth or not? Should we trade feet for arms to live in microgravity? How good is the peer review process in Astronomy? And in Q&A+, what happened to the Parker Solar Probe?
00:00 Intro
00:25 [@TimPointing] Will the Sun consume the Earth or not?
04:40 [@jeffhans1] Should we trade legs for arms to live in microgravity?
07:26 [@vrstovsek] How loud is the Sun?
08:21 [@JJsQuest] How good is the peer review process in Astronomy?
12:53 Interviews
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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. Will The Sun Consume Earth After All? | Q&A 439](https://i.ytimg.com/vi/xNQXTnGGkSY/mqdefault.jpg)
![Extracting Info from CMB, Second-Best Mars, Living Off Earth | Q&A 380
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Which part of the Universe does the CMB come from? Is Mars the best planet for habitability of all ones we found so far? How important is it to find a way to live off Earth? And in Q&A+, did we extract everything we can from the CMB?
00:00 Start
00:31 [Borg Terraformers] Did we find more habitable planets than Mars?
05:54 [Wackyg] Which part of the Universe in the CMB?
08:12 [The unknown unknowns] Cheap but good binoculars
09:00 [Ramzi Zahreddine] How important it is that we find a way to live off world?
12:56 [WCO lll] Should we figure out Earth problems before going to space?
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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. Extracting Info from CMB, Second-Best Mars, Living Off Earth | Q&A 380](https://i.ytimg.com/vi/xQVT0F275i8/mqdefault.jpg)
![Can We Turn The Entire Moon Into a Giant Datacenter? | Q&A 452
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Couldn’t we use the entire moon as a data center? Does the vastness of space ever scare me? Do solar systems have Lagrange points? And in Q&A+, will we ever get to a Jetsons reality?
00:00 Intro
00:23 [@rwarren58] Couldn’t we use the entire moon as a data center?
03:58 [@jonathanchamberlain6260] Is the vastness of space and the unknown nature ever unnerving for you. I love space content but sometimes it gives me major anxiety.
11:16 [@ashstar42] How do you stay motivated when the world seems to be turning its back on progress?
20:04 [@DamingoFlave] Do Solar Systems have Lagrange points?
22:18 Final thoughts
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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. Can We Turn The Entire Moon Into a Giant Datacenter? | Q&A 452](https://i.ytimg.com/vi/xrMsuZTdfAM/mqdefault.jpg)
![How Bad Is Crashing Rockets in the Ocean, Really? | Q&A 431
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Should we just wait and let Alpha Centauri get closer? Which will happen first, antimatter propulsion or fusion power? What are the consequences of crashing rockets into the ocean? And in Q&A+, can we detect magnetic fields of planets being torn by black holes?
00:00 Intro
00:26 [@geohondo] Are there consequences for crashing a rocket in the ocean?
05:24 [@GadZookz] Do we have to wait 5000 years to send humans to Alpha Centauri when it will be a lot closer?
11:21 [@fermis1proponant] Anti matter power first or Fusion?
17:01 SpaceX coverage
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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. How Bad Is Crashing Rockets in the Ocean, Really? | Q&A 431](https://i.ytimg.com/vi/xxUV3w5rrfE/mqdefault.jpg)
![Best Space Pet, Aftermath of 3I/ATLAS Flyby, Limits on Lagrange Points | Q&A 410
🎬 Top-100 Sci-Fi/Space Movies https://www.patreon.com/posts/153930141
📺 Top-100 Sci-Fi/Space TV Series https://www.patreon.com/posts/153997969
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Which animal would be the make the best space pet? Who has priority access to Vera Rubin’s data? Is there a limit on how many telescopes can we put in a Lagrange point? And in Q&A+, what’s the current progress with spacesuits?
00:00 Intro
00:25 [@churchdiscography] What kind of animal would make a good space pet?
01:30 [@jamesmnguyen] Do fish care about living in a microgravity environment?
02:22 [@trickymick] What is the process for flagging and following up on objects reported by the Vera Rubin?
06:26 [@IARRCSim] Do US scientists have priority for Vera Rubins data?
07:17 [@Frosty.Winnipeg] Could a telescope on Earth use the moon as a star shade?
08:49 [@Nomad77ca] Is there a limit to how many telescopes we could put out at L1?
10:01 [@terryhardaway3285] Did 3I/ATLAS have any effect on objects in the Kuiper belt?
16:05 Outro
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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. Best Space Pet, Aftermath of 3I/ATLAS Flyby, Limits on Lagrange Points | Q&A 410](https://i.ytimg.com/vi/yPju8peHp2s/mqdefault.jpg)
![Solar Gravitational Lens Launch Date? [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. Solar Gravitational Lens Launch Date? [Q&A Livestream]](https://i.ytimg.com/vi/yUqB8vkD4cE/mqdefault.jpg)
![Superfast Neutrinos, Types of Astronomers, Gravitational Limits for Planets | Q&A 405
⚫️10 hours of black holes questions: https://youtu.be/Fx1Ym6q2Lw4
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Which different types of astronomers exist? If Mars flat? Is there a gravitational limit for planets? And in Q&A+, could other civilizations be frozen in time?
00:00 Intro
00:23 [@paigepotter4682] How do telescopes decide where to look?
03:34 [@drZab] How can neutrinos from a supernova arrive faster than light?
07:05 [@luboinchina3013] Is there a gravitational limit for planets to launch rockets from?
10:01 [@RP1_4breakfast] is Mars flat too?
10:31 [@fstrelniece] Which flavours do Astronomers come in?
12:37 [@Justchris6436] Would the perception of us from far away be the same?
13:34 [@silasmiller4417] How powerful could gravitational waves get on earth?
16:24 Outro
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![4 Years In, We Still Have No Idea What JWSTs Biggest Discovery Is. Heres Why Its Awesome
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James Webb has been operational for over 4 years now. Little red dots are one of its major discoveries so far. Yet, we still have no idea what they are. They could be black holes, supermassive stars or something completely different. Heres why its awesome for science.
🟣 Guest: Dr. Vasily Kokorev
https://vasilykokorev.com/
📜 NASA Webb Finds Strongest Evidence Yet for ‘Black Hole Stars’
https://science.nasa.gov/missions/webb/nasa-webb-finds-strongest-evidence-yet-for-black-hole-stars/
00:00 Intro
01:29 History of LRDs
08:48 What are they?
31:09 Where do we go from here?
36:41 Current obsessions
42:35 Final thoughts
📰 GUIDE TO SPACE 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. 4 Years In, We Still Have No Idea What JWSTs Biggest Discovery Is. Heres Why Its Awesome](https://i.ytimg.com/vi/zoHtCmCbcEU/mqdefault.jpg)