Cosmological Event Horizon during Inflation

In summary, the recently released WMAP data supports the Inflation model, which suggests that the universe expanded from subatomic scales to astronomical scales in a fraction of a second. This leads to the question of how far each point would have been from where space was expanding at the speed of light, which is estimated to be approximately 300,000 lightyears in 1 second. However, there may be other limitations to this expansion.
  • #1
Mike2
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The newly release WMAP data supports the Inflation model that the universe expanded from subatomic scales to Astronomic scales in a fraction of a second. If so, then what would have been the distance from each point where space would have been expanding at the speed of light, approximately? Thanks.
 
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  • #2
Mike2 said:
The newly release WMAP data supports the Inflation model that the universe expanded from subatomic scales to Astronomic scales in a fraction of a second. If so, then what would have been the distance from each point where space would have been expanding at the speed of light, approximately? Thanks.
Well, when they say that the cosmos expanded from subatomic scales to astronomical scale, I guess that mean you can start from practically zero to, what, say 300,000 lightyears in, what, 1 second at most? Or are there other upper bounds on this?
 
  • #3
here is a voice of america report on this

http://www.voanews.com/english/2006-03-17-voa16.cfm
 
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1. What is a cosmological event horizon during inflation?

The cosmological event horizon during inflation refers to the boundary beyond which we cannot observe or receive information from due to the rapid expansion of the universe during the inflationary period.

2. How is the cosmological event horizon related to the Big Bang theory?

The cosmological event horizon is closely related to the Big Bang theory as it is a consequence of the rapid expansion of the universe that is predicted by the theory. It is believed that the universe expanded faster than the speed of light during the inflationary period, leading to the formation of the cosmological event horizon.

3. Can we observe the cosmological event horizon during inflation?

No, we cannot observe the cosmological event horizon during inflation because it is beyond our observable universe. This means that the light or information from objects beyond this boundary will never reach us, making it impossible for us to observe them.

4. How does the cosmological event horizon affect our understanding of the early universe?

The cosmological event horizon plays a crucial role in our understanding of the early universe. It helps explain why the universe appears to be homogeneous and isotropic on a large scale, as objects beyond the event horizon are not observable. It also supports the idea of cosmic inflation, which is believed to have smoothed out any irregularities in the early universe.

5. Is the cosmological event horizon a fixed boundary?

No, the cosmological event horizon is not a fixed boundary. As the universe continues to expand, the event horizon also moves further away from us. This means that objects that were previously beyond the event horizon may eventually become observable in the future.

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