Space at Singularity: Pre Big Bang Theory?

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In summary: but all agree that without them, there would be no physical reality...speed of light would not exist until space was introduced into the equation.
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BobbyTMS
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Newbie question...

Is there ANY space at the point of singularity? Any space between any of the known type of particles, or is everything (energy, matter, photons, quark, muon, boson, etc... anything and everything in existence) squashed into a single point less any open space?
Is this the picture of pre big bang? If so there would be no speed of light, correct? Speed of light would not exist until space was introduced into the equation. Is that correct? I believe relativity states gravity is the warping of time and space. Could it be argued that gravity is the lack of space and time? Any and all feedback is appreciated.
Thanks
 
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  • #2
Is there ANY space at the point of singularity? Any space between any of the known type of particles, or is everything (energy, matter, photons, quark, muon, boson, etc... anything and everything in existence) squashed into a single point less any open space?
When quantum theory is taken into account, point particles and singularities are not allowed.
 
  • #3
Why is this? Is this to say that two point particles cannot be made to touch or merge?
If they're not allowed how do you get back to the point of a Big Bang?

Thank you for your feedback mathman.
 
  • #4
Current theory about the big bang starts from a very short time after time =0. What the state of the universe at t=0 is a matter of guesswork, trying to reconcile General Relativity with quantum theory.
 
  • #5
Is there ANY space at the point of singularity?

Nobody knows...quantum mechanics and relativity breaks down at singularities...it's of the form 1/x as x approaches 0 or y/x as each approach zero...math breaks down...You can also think of a singularity as analogous to a point of discontinuity...like a sharp point amidst a smooth curve...describing such situations in physics requires a unification of quantum and relativity theories...

In a black hole, for example, the "center" may be better described as the location where time ends...or spacetime comes to and end...

If PLanck length is really the minimum length, then nothing exists at smaller distances, not space, not time, just roiling energy... space,time,matter become may become energy..

Is this the picture of pre big bang?

Perhaps...or not. It's speculation...pick your theory "infinite" big bang, finite big bang, quantum fluctuation, big bounce, bubble universes...and many other theories...some naturally admit pre existing space and time, others are completely unclear...
 

Related to Space at Singularity: Pre Big Bang Theory?

1. What is Singularity in relation to the Big Bang theory?

Singularity, in the context of the Big Bang theory, refers to the initial state of the universe before the Big Bang occurred. It is described as a point of infinite density and temperature, where the laws of physics as we know them break down. This singularity is believed to have triggered the expansion of the universe and the creation of all matter and energy.

2. How does the concept of Singularity relate to the formation of the universe?

The concept of Singularity is crucial in understanding the formation of the universe according to the Big Bang theory. It is believed that this singular point of infinite density and temperature exploded, resulting in the expansion of the universe and the creation of all matter and energy. This explosion is known as the Big Bang.

3. Is there any evidence supporting the existence of Singularity in the Pre Big Bang theory?

While there is currently no concrete evidence supporting the existence of Singularity in the Pre Big Bang theory, it is widely accepted by scientists as the most plausible explanation for the origin of the universe. The mathematical equations and observations of the expansion of the universe all point towards a singular starting point, supporting the concept of Singularity.

4. What is the role of Singularity in the understanding of the universe today?

Singularity plays a crucial role in our understanding of the universe today. It helps explain the origins of the universe and provides a framework for understanding the laws of physics at the beginning of time. It also helps scientists make predictions and test theories about the evolution of the universe.

5. Can the concept of Singularity be applied to other areas of science?

Yes, the concept of Singularity can be applied to other areas of science, such as black holes. Black holes are believed to have a singularity at their center, where the laws of physics break down. Studying the singularity in black holes can provide insight into the behavior of matter under extreme conditions and help us understand the workings of the universe on a larger scale.

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