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Galaxy in a Middle of a Cosmic Void Should Not Be Possible

2025-11-24 Science & Technology
56.7k
4.8k
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Anton Petrov
Anton Petrov
1.6m subscribers

Bizarre Activity in Isolated Void Galaxy NGC 6789

Discover why the ancient galaxy NGC 6789 is forcing astronomers to rethink galactic evolution models by demonstrating vigorous star formation deep within an empty cosmic void, contradicting traditional merger-based theories.

Short Summary

  • Outcome: Scientists uncovered recent, massive star formation in NGC 6789, challenging the expectation that void galaxies remain "fossil" relics.
  • Why it Matters: This activity suggests a new mechanism—cold gas accretion directly from the void—is fueling stellar growth, rather than relying on galactic collisions.
  • Discovery Context: Deep optical imaging bypassed previous survey limitations to reveal the sudden starburst activity in this highly isolated galaxy.
  • Future Insight: Studying these galaxies offers a rare, direct glimpse into the pristine gas interactions that likely dominated the very early universe.

This information details the perplexing case of NGC 6789, a galaxy located in the Local Void, which experienced a significant starburst recently. We examine the observational evidence ruling out mergers and explore the leading theory: steady inflow of elemental gas directly siphoned from the surrounding near-empty space.

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Description

Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads) Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3QFIrFX Hello and welcome! My name is Anton and in this video, we will talk about a strange void galaxy and observations that don't make much sense Links: https://en.wikipedia.org/wiki/NGC_6789 https://arxiv.org/abs/2511.07041 https://arxiv.org/pdf/2511.00235 Other videos: https://www.youtube.com/watch?v=Sbp7DGk1lGQ https://www.youtube.com/watch?v=EPBrvxqI0m8 https://www.youtube.com/watch?v=MQzwrWVC8Bo https://www.youtube.com/watch?v=ah-ymQdF6LQ #galacticvoid #void #galaxy 0:00 Bizarre ancient galaxy 2:40 Void Galaxies 3:40 NGC 6889 and why it makes no sense 6:00 Solving the paradox of this void galaxy 7:00 Discoveries so far 8:35 Potential explanations 11:00 Complementary evidence 12:20 So what does this mean? 13:49 Conclusions Enjoy and please subscribe Bitcoin/Ethereum to spare? Donate them here to help this channel grow! bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4 or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF Thank you to all Patreon supporters of this channel Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships Credit: Richard Powell (modified) - http://www.atlasoftheuniverse.com/nearsc.gif CC BY SA 4.0 https://en.wikipedia.org/wiki/Local_Void#/media/File:The_Local_Void.gif Azcolvin429 CC BY SA 4.0 https://en.wikipedia.org/wiki/Void_(astronomy)#/media/File:Galaxy_superclusters_and_galaxy_voids.png Own work - datafile from http://hla.stsci.edu/hlaview.html CC BY SA 3.0 https://en.wikipedia.org/wiki/NGC_6789#/media/File:NGC_6789_hst_09162_R814B606.png Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses

Top Comments (10)

@rachelrsn 2025-11-24

There is something simultaneously comforting and frightening in the idea of a galaxy sitting in the middle of the void like this. Thank you Anton for bringing the wonders of the universe to my screen every evening.

159 20 replies
@Nathan-jt8zt 2025-11-24

And yet, there it is.

138 25 replies
@tvviewer4500 2025-11-25

One thing I’ve learned by making it to the 2020s is that what we think space should be doing isn’t close to what space is actually doing

57 12 replies
@mikefeierberg7712 2025-11-24

The aliens moved their galaxy into the void for safety.

25 2 replies
@daruekeller 2025-11-25

in all fairness to the models they're just models. it's not expected that they're going to cover every possible circumstance that could occur in this fast universe

21 2 replies
@jimcurtis9052 2025-11-24

Wonderful as always Anton. Thank you. 😸

18
@dagrspace 2025-11-25

I've been working out a story universe concept where this type of galaxy exists. Thank you so much for validating it.

17 1 replies
@hatsekidee14113 2025-11-24

1 minute after the upload....I feel privileged

13
@Boss-Possum 2025-11-25

NGC 6889 'Ima do my own thing'

5
@whatdamath 2025-11-27

Happy thanksgiving everyone and guess what, Black Friday sale! BLACKFRIDAY15 coupon gives you 15% off on all of the merch https://whatdamath.creator-spring.com/

4 1 replies

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