What caused the universe to expand in the Big Bang theory?

In summary, the Big Bang theory is the leading explanation for the origin and evolution of the universe. It suggests that the universe began as a very small, hot, and dense state and rapidly expanded, eventually cooling and forming the universe we see today. While the theory does not explain the initial state of the universe, it has been supported by evidence such as the cosmic microwave background radiation and the Hubble redshift. However, the exact origin of the universe is still unknown and remains a topic of debate among scientists.
  • #1
cyborggamer12
1
0
explanation for the big bang??

This is my first post to PF but this question has been really bothering me for a while. In the theory of the "big bang" the universe was created from 1 gravitational singularity holding all the mass and energy. This would be very similar to the black holes we see today. IF there was a "big crunch" and it created this gravitational singularity out of the previous universe. would it spin like some black holes we see today? If so, do to conservation of angular momentum and the lack of anything other than the gravitational singularity(no relative time distortion) spell a way that the gravitational singularity to achieve a rotational speed greater than the speed of light? if so, could this cause the gravitational singularity to violate the laws of physics destroying it's self sending its energy into void space? I know all of these can't be answered with our current knowledge but any constructive criticism will help.
 
Astronomy news on Phys.org
  • #2
Thanks in advance.The Big Bang Theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution. According to the theory, the universe was once in an extremely hot and dense state which expanded rapidly. This rapid expansion caused the universe to cool and resulted in its present continuously expanding state. The Big Bang theory explains the observed cosmic microwave background radiation, the abundance of light elements, and the Hubble redshift. It is important to note that the Big Bang theory does not describe the origin of the universe, rather it describes the evolution of the universe from a very tiny, hot, and dense initial state. The initial state of the universe, prior to the Big Bang, is still a topic of debate among scientists. Some theories suggest that the universe may have been created from a singularity, or point of infinite density, while others suggest that the universe could have come from a higher-dimensional "quantum foam." Ultimately, the origin of the universe remains a mystery.
 

What is the big bang theory?

The big bang theory is a scientific explanation for the origin of the universe. It proposes that the universe began as a singularity, a point of infinite density and temperature, and has been expanding and cooling over the course of 13.8 billion years.

What evidence supports the big bang theory?

There are several pieces of evidence that support the big bang theory, including the cosmic microwave background radiation, the abundance of light elements, and the redshift of galaxies. These observations all align with the predictions made by the theory.

What caused the big bang?

The big bang theory does not address the cause of the initial singularity. It simply describes the expansion and evolution of the universe after its formation. The cause of the big bang is still a subject of scientific debate and research.

Has the big bang been proven?

The big bang theory is a widely accepted scientific model that is supported by a vast amount of evidence. However, science does not deal in absolutes and it is always open to new evidence or theories that may modify or replace the current understanding.

What are the implications of the big bang theory?

The big bang theory has many implications for our understanding of the universe, including the concept of a finite universe with a beginning, the evolution of galaxies and stars, and the presence of dark matter and dark energy. It has also led to the development of other theories and concepts, such as cosmic inflation and the multiverse.

Similar threads

Replies
3
Views
1K
  • Astronomy and Astrophysics
Replies
28
Views
5K
  • Astronomy and Astrophysics
Replies
1
Views
1K
Replies
20
Views
2K
  • Astronomy and Astrophysics
Replies
4
Views
2K
  • Special and General Relativity
Replies
2
Views
836
Replies
7
Views
897
Replies
25
Views
2K
  • Astronomy and Astrophysics
Replies
8
Views
5K
  • Astronomy and Astrophysics
Replies
1
Views
1K
Back
Top