Cosmic Inflation Explained: Constant Velocity of Electromagnetic Radiation

In summary, the conversation discusses the relationship between energy and mass in the universe and the implications of the hypothetical Big Bang on this relationship. The conversation also mentions the forum rules on personal theories and explains the role of ##c^2## as a unit conversion factor in the context of ##E=mc^2##.
  • #1
JonathanMFreedman
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C = sqrt(E/M)...this would suppose the ratio of the amount of energy vs. the amount of mass in the universe. If not, why not. If there is no mass, just energy, or much less mass at the moment of the hypothetical Big Bang, then, there C would be significantly higher, thus explaining cosmic inflation.
 
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  • #2
In the context of ##E=mc^2##, the ##c^2## is nothing more than a unit conversion factor between units of energy and units of mass. Don't try to read more into it than that.
 
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  • #3
You might want to take a look at the PF Rules on personal theories. You can't just toss one out and expect us to explain "why not".
 
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  • #4
The initial post does indeed violate the forum rule about personal theories, so we are closing the thread here.

@Ibix’s point about ##c^2## being just a unit conversion factor is well taken.
 
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FAQ: Cosmic Inflation Explained: Constant Velocity of Electromagnetic Radiation

1. What is cosmic inflation?

Cosmic inflation is a theoretical concept in cosmology that suggests the universe underwent a rapid period of expansion in the first fraction of a second after the Big Bang. This expansion is thought to have been driven by a repulsive force, causing the universe to grow exponentially in size.

2. How does cosmic inflation explain the constant velocity of electromagnetic radiation?

Cosmic inflation explains the constant velocity of electromagnetic radiation by suggesting that during the rapid expansion of the universe, the fabric of space-time itself was stretched, causing the wavelength of light to also stretch. This stretching of the wavelength results in a constant velocity of electromagnetic radiation, as the speed of light is determined by the properties of space-time.

3. What evidence supports the theory of cosmic inflation?

There are several pieces of evidence that support the theory of cosmic inflation, including the uniformity of the cosmic microwave background radiation, the large-scale structure of the universe, and the flatness of the universe. Additionally, observations of the cosmic microwave background radiation have shown slight temperature variations that align with predictions made by the theory of cosmic inflation.

4. How does cosmic inflation impact our understanding of the early universe?

Cosmic inflation has greatly impacted our understanding of the early universe by providing a solution to several problems in cosmology, such as the horizon problem and the flatness problem. It also provides a mechanism for the formation of the large-scale structure of the universe and explains why the universe appears to be so uniform on a large scale.

5. Are there any alternative theories to cosmic inflation?

Yes, there are alternative theories to cosmic inflation, such as the ekpyrotic model and the cyclic model. These theories propose different mechanisms for the rapid expansion of the universe and have their own set of supporting evidence. However, cosmic inflation remains the most widely accepted theory due to its ability to explain many observations and problems in cosmology.

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