Infinite Galaxy: Can Our Universe Really End?

  • Thread starter Thread starter aricho
  • Start date Start date
  • Tags Tags
    Galaxy Infinite
AI Thread Summary
The discussion centers on the concept of whether the universe, often described as "infinite," can truly have an end if it had a beginning. Some scientists propose the Big Crunch theory, suggesting the universe may eventually collapse back on itself. Others argue for the possibility of an infinite universe that does not have a definitive end. The conversation also touches on the evolution of human theories regarding the universe's fate over thousands of years and the varying definitions of what constitutes an "end." Ultimately, the debate remains open, with no definitive proof yet established about the universe's future.
aricho
Messages
71
Reaction score
0
"infinite Galaxy"

If our "infinite" universe had a beginning, it has an end, right?
 
Astronomy news on Phys.org
Do definte proof has been found yet as to the future of the Universe. Some say it will fall back on itself in the 'big crunch' and that would be the end.
 
It's a question that has a few possible answers. As AMT said, several scientists believe that our universe will eventually end in what is called the Big Crunch, while some believe it is possible that our universe is infinite. You can read more about the big crunch Here
 
You can take a more restrictive view of this: what is the best cosmological model today ('best' of course is somewhat up to you to decide)? What does it say re 'an end'?

You can also take a more relaxed view: humans have been developing theories re the 'end of the universe' for, what, a few thousand years? How have our answers changed, over that incredibly short period of time? What can you conclude from humans' views of whether the universe will 'end' or not, in terms of whether it will, *truly* end?
 
You may also want to define "end" (heat death? non-existence?)
 
Publication: Redox-driven mineral and organic associations in Jezero Crater, Mars Article: NASA Says Mars Rover Discovered Potential Biosignature Last Year Press conference The ~100 authors don't find a good way this could have formed without life, but also can't rule it out. Now that they have shared their findings with the larger community someone else might find an explanation - or maybe it was actually made by life.
TL;DR Summary: In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect alien signals, it will further expand the radius of the so-called silence (or rather, radio silence) of the Universe. Is there any sense in this or is blissful ignorance better? In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect...
Thread 'Could gamma-ray bursts have an intragalactic origin?'
This is indirectly evidenced by a map of the distribution of gamma-ray bursts in the night sky, made in the form of an elongated globe. And also the weakening of gamma radiation by the disk and the center of the Milky Way, which leads to anisotropy in the possibilities of observing gamma-ray bursts. My line of reasoning is as follows: 1. Gamma radiation should be absorbed to some extent by dust and other components of the interstellar medium. As a result, with an extragalactic origin, fewer...

Similar threads

Replies
40
Views
6K
Replies
7
Views
2K
Replies
6
Views
2K
Replies
13
Views
3K
Replies
4
Views
1K
Replies
12
Views
2K
Replies
12
Views
2K
Replies
7
Views
2K
Back
Top