BIG CRUNCH by MagikUnicorn

Fractal • Space • posted on Jun 13, 2015

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Description

BIG CRUNCH In physical cosmology, the Big Crunch is one possible scenario for the ultimate fate of the universe, in which the metric expansion of space eventually reverses and the universe recollapses, ultimately ending as a black hole singularity or causing a reformation of the universe starting with another big bang. Sudden singularities and crunch or rip singularities at late times occur only for hypothetical matter with implausible physical properties. If the universe is infinite in extent and the cosmological principle (not to be confused with the cosmological constant) does not apply, and the expansion speed does not exceed the escape velocity, then the mutual gravitational attraction of all its matter will eventually cause it to contract. If entropy continues to increase in the contracting phase (see Ergodic hypothesis), the contraction would appear very different from the time reversal of the expansion. While the early universe was highly uniform, a contracting universe would become increasingly clumped. Eventually all matter would collapse into black holes, which would then coalesce producing a unified black hole or Big Crunch singularity. The Hubble Constant measures the current state of expansion in the universe, and the strength of the gravitational force depends on the density and pressure of matter in the universe, or in other words, the critical density of the universe. If the density of the universe is greater than the critical density, then the strength of the gravitational force will stop the universe from expanding and the universe will collapse back on itselfâ��assuming that there is no repulsive force such as a cosmological constant. Conversely, if the density of the universe is less than the critical density, the universe will continue to expand and the gravitational pull will not be enough to stop the universe from expanding. This scenario would result in the "Big Freeze", where the universe cools as it expands and reaches a state of entropy. One theory proposes that the universe could collapse to the state where it began and then initiate another Big Bang, so in this way the universe would last forever, but would pass through phases of expansion (Big Bang) and contraction (Big Crunch). Recent experimental evidence (namely the observation of distant supernovae as standard candles, and the well-resolved mapping of the cosmic microwave background) has led to speculation that the expansion of the universe is not being slowed down by gravity but rather accelerating. However, since the nature of the dark energy that is postulated to drive the acceleration is unknown, it is still possible (though not observationally supported as of today) that it might eventually reverse its developmental path and cause a collapse.

Comments (25)

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jocko500

10:17PM | Sat, 13 June 2015

cool

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RodS

10:25PM | Sat, 13 June 2015

A fantastic graphic, Real - very appropriate! I doubt if many of us will be around to see if that big crunch actually happens... :-P

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ArtistKimberly

10:32PM | Sat, 13 June 2015

Delightfully Beautiful Work,

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Faemike55

10:57PM | Sat, 13 June 2015

very cool image and interesting narrative - the cool thing is, that unless we go through reincarnation, we will not see the end of the universe as we know it.

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bakapo

11:24PM | Sat, 13 June 2015

this looks beautiful! thanks for the cool info here, too.

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peedy

12:08AM | Sun, 14 June 2015

Fantastic image and colors, MU. Great info. Corrie

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KatesFriend

12:34AM | Sun, 14 June 2015

Hmmm, first it is being assumed that there is no natural renewal process to keep the universe going at the highest scale. Black holes do decay and when their event horizons collapse all the trapped energy is expected to be released. Further singularities, as we currently conceive them, may not exist. There may be an upper limit to the amount of material that can be compacted into a specific portion of space. Thus infinite collapse may not happen. Just sayin'. Your rendering is spectacular though. It reminds me of the star gate from 2001: A Space Odyssey.

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Mulltipass

1:12AM | Sun, 14 June 2015

Awesome Kaleidoscope Effect!!! Excellent Work!!!

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jayfar

1:30AM | Sun, 14 June 2015

Beautiful and magical Magik.

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mtdana

1:42AM | Sun, 14 June 2015

Beautiful pattern to represent the expansion of the universe!!!

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Hubert

3:30AM | Sun, 14 June 2015

Dizzying. Cool effect!

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mininessie

3:44AM | Sun, 14 June 2015

spectacular

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jmb007

4:31AM | Sun, 14 June 2015

on y est pas encore !

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miwi

5:39AM | Sun, 14 June 2015

Beautiful image,klasse info!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Cyve

5:56AM | Sun, 14 June 2015

F A B U L E U X et très impressionnant !!!

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giulband

8:02AM | Sun, 14 June 2015

WOW very very beautiful !!!!!!

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algra

8:26AM | Sun, 14 June 2015

Nice coloring!

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eekdog

9:33AM | Sun, 14 June 2015

good job on that info and image work.

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magnus073

12:08PM | Sun, 14 June 2015

Magik, je suis très heureux de voir que vous partagez une autre présentation éducative. Vous avez fait un travail fantastique en créant les effets spéciaux pour cette image, et je apprécié apprendre (The Big Crunch). Ces présentations éducatives sont importantes et je vous suis reconnaissant pour eux.

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