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Euclid Telescope Data Suggests Universe Is Cooling Down and Dying

2025-11-18 Science & Technology
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Anton Petrov
Anton Petrov
1.6m subscribers

New Observations Confirm the Universe is Cooling Down Past its Peak Star Formation Era

Discover how recent data from the Euclid and Herschel telescopes confirms that the universe peaked in activity billions of years ago. This research provides accurate thermal measurements showing cosmic cooling and informs predictions about the universe's long-term fate.

Short Summary

  • [02:15]: Confirm the peak era for star formation and cosmic heat, known as Cosmic Noon, occurred long ago.
  • [07:23]: Measure a consistent 10 Kelvin average temperature decrease in galactic dust over the last 10 billion years.
  • [08:09]: Identify a shift in dust heating mechanisms from hot, young stars to older, cooler stellar populations.
  • [09:04]: Align the observed decline in activity with the transition toward a dark energy-dominated expansion era.

This session explores new research combining data from the Euclid and Herschel Space Telescopes. The analysis focuses on measuring the average temperature of stardust, which acts as a thermometer for the Star Formation Rate (SFR) in distant galaxies. These findings collectively confirm that cosmic activity is slowing down as the universe ages.

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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 new observations from the ancient universe - the universe and even galaxies seem to be cooling down after all Links: https://eceb.astro.uni-bonn.de/public/coordinated_release/hill_etal_q1b.pdf https://esdcdoi.esac.esa.int/doi/html/data/astronomy/euclid/eqrq1.html https://science.ubc.ca/news/2025-11/astronomers-release-best-measurements-galaxy-temperatures-star-formation-yet https://en.wikipedia.org/wiki/Chronology_of_the_universe Previous videos: https://www.youtube.com/watch?v=88GhcA1EfrA https://www.youtube.com/watch?v=t00pfJnEt48 0:00 Universe is entering its decline 1:05 Big Bang 2:00 Star formation and heat peaked long time ago 2:55 Star dust and why it's important 4:25 How this data is collected - Euclid and Hershel 6:20 Results: Cosmic noon and peak of star formation 7:35 Change in galaxies over time 8:55 What this confirms 10:45 What this means for the universe in the future 11:40 What's next and 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 Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses

Top Comments (10)

@Walter-wo5sz 2025-11-18

Let's all meet up at the restaurant at the end of the universe. I'm buying.

918 103 replies
@mark9294 2025-11-18

That’s the morale booster I needed!

780 25 replies
@thedownwardmachine 2025-11-18

I feel you, universe

737 25 replies
@travisporco 2025-11-18

oh great, I was late for work today, and now you tell me the universe is dying. Crap.

306 13 replies
@rosanneshinkle4133 2025-11-18

Well, this is depressing. Think I will put it on next week's list of things to worry about.

303 24 replies
@Wheel_Horse 2025-11-19

"Overhead, without any fuss, the stars were going out" - Arthur C. Clarke

273 9 replies
@youtubemusicowesmemoney8470 2025-11-18

Honestly, the moment anything comes together, it begins to fall apart. You might say, it’s the nature of all things.

190 19 replies
@196cupcake 2025-11-18

Classic Anton, yet another video about hot, young stars.

187 5 replies
@dmitryfedorov114 2025-11-18

Thats exactly the kind of headline I needed aftet a day of facing dying economy, war, and approaching great filter. Good night, Earth.

149 8 replies
@sorcerousquigley419 2025-11-18

last time I was this early the electroweak force was split into the electromagnetic and weak nuclear force

102 2 replies

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