what is at the end of the universe ?

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https://www.space.com/whats-beyond-universe-edge

https://www.space.com/whats-beyond-universe-edge
Is there anything beyond the universe? | Space
25 févr. 2022The universe, being all there is, is infinitely big and has no edge, so there’s no outside to even talk about. Oh, sure, there’s an outside to our observable patch of the universe. The cosmos is …

https://www.popularmechanics.com/space/deep-space/a33612633/when-will-the-universe-end

https://www.popularmechanics.com/space/deep-space/a33612633/when-will-the-universe-end
End of the Universe: When and How Will the Universe End?
Using iron, pycnonuclear science, and a computer, one scientist has scheduled the end of the universe. Today’s bright, showy supernovae are huge stars, leaving small stars to smolder much longer …

https://www.science.org / content / article / way-universe-ends-not-whimper-bang

https://www.science.org / content / article / way-universe-ends-not-whimper-bang
This is the way the universe ends: not with a whimper, but a bang – Science
In the unimaginably far future, cold stellar remnants known as black dwarfs will begin to explode in a spectacular series of supernovae, providing the final fireworks of all time. That’s the conclusion of a new study, which posits that the universe will experience one last hurrah before everything goes dark forever.

https://www.astronomy.com/science/the-big-freeze-how-the-universe-will-die

https://www.astronomy.com/science/the-big-freeze-how-the-universe-will-die
The Big Freeze: How the universe will die – Astronomy Magazine
5 sept. 2023At this point, the universe’s final temperature will hover just above absolute zero. The Big Bang’s accelerating expansion Some 13.8 billion years ago, our universe was born in the Big Bang …

https://en.wikipedia.org/wiki/Ultimate_fate_of_the_universe

https://en.wikipedia.org/wiki/Ultimate_fate_of_the_universe
Ultimate fate of the universe – Wikipedia
The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated. Based on available observational evidence, deciding the fate and evolution of the universe has become a valid cosmological question, being beyond the mostly untestable constraints of …

https://www.astronomy.com/science/where-is-the-edge-of-the-universe

https://www.astronomy.com/science/where-is-the-edge-of-the-universe
Where is the edge of the universe? – Astronomy Magazine
31 août 2023A flat universe agrees with both observation and theory, so the idea now sits at the heart of modern cosmology. The problem is that, unlike a spherical universe, a flat one can be infinite — or not.

https://www.quantamagazine.org/how-will-the-universe-end-20230222

https://www.quantamagazine.org/how-will-the-universe-end-20230222
How Will the Universe End? | Quanta Magazine
22 févr. 2023Mack is also the author of The End of Everything ( Astrophysically Speaking), published in August 2020, in which she described the five scenarios that scientists have identified for how the universe might end. Listen on Apple Podcasts , Spotify , Google Podcasts , Stitcher , TuneIn or your favorite podcasting app, or you can stream it from Quanta.

https://www.nature.com/articles/d41586-020-02338-w

https://www.nature.com/articles/d41586-020-02338-w
Crunch, rip, freeze or decay — how will the Universe end? – Nature
The End of Everything is a book by astrophysicist Katie Mack that explores the possible ways the cosmos could destroy itself, from the Big Bang to the Big Crunch, the Big Rip, the Big Freeze and the Big Rip. The article reviews the book and its main ideas, and explains the evidence and scenarios for each .

https://skyandtelescope.org/astronomy-resources/end-of-the-universe

https://skyandtelescope.org/astronomy-resources/end-of-the-universe
End of the Universe | How will the universe end? – Sky & Telescope
During the latter half of the 20th century, cosmologists determined that there were three possible scenarios for the end of the universe, and they all depend on its density. If the density were high enough, then gravity would eventually slow the expansion of the universe and cause it to re-collapse in a Big Crunch..

https://universe.nasa.gov/universe/basics

https://universe.nasa.gov/universe/basics
Basics | Universe – NASA Universe Exploration
The universe became transparent, and for the first time, light could freely travel over great distances. Second, the formation of these first atoms produced its own light. This glow, still detectable today, is called the cosmic microwave background. It is the oldest light we can observe in the universe. lesoutrali bot