Is the only evidence for an expanding universe the doppler Red Shift?

In summary, the Red Shift of distant galaxies increasing with distance and the existence of other pieces of evidence, such as the Big Bang theory and observational evidence listed in various sources, support the idea that the Universe is expanding.
  • #1
Chas Tennis
24
4
Basically, all more distant galaxies have a Red Shift that increases with the distance to the galaxy, the Universe is expanding.

1) If there are other pieces of evidence that indicate the Universe is expanding, what are they?

2) Any internet links describing exactly how the other evidence supports the expanding universe view?
 
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  • #3
Also look at this link

http://en.wikipedia.org/wiki/Non-standard_cosmology

It's got a list of alternatives to the expanding universe with a list of all of the reasons why we think those models are wrong.
 

What is the Doppler Red Shift and how does it relate to the expanding universe?

The Doppler Red Shift is a phenomenon observed in the light from distant galaxies, where the light appears to be shifted towards the red end of the spectrum. This shift is caused by the expansion of the universe, which stretches the wavelength of the light as it travels through space.

Is the Doppler Red Shift the only evidence for an expanding universe?

No, there are other pieces of evidence that support the theory of an expanding universe. These include the cosmic microwave background radiation, the abundance of light elements in the universe, and the observed acceleration of distant galaxies.

Can the Doppler Red Shift be explained by other factors besides the expansion of the universe?

Yes, there are other possible explanations for the Doppler Red Shift, such as the gravitational pull of nearby objects or the motion of the source of light. However, these alternatives have been ruled out through further observations and measurements.

How does the Doppler Red Shift differ from the concept of redshift in general?

The Doppler Red Shift specifically refers to the redshift caused by the expansion of the universe, while redshift in general refers to any shift in the wavelength of light towards the red end of the spectrum. Other types of redshift can be caused by different factors, such as the gravitational pull of a massive object.

What are the implications of the Doppler Red Shift for our understanding of the universe?

The Doppler Red Shift is a key piece of evidence that supports the theory of an expanding universe. It also provides insights into the rate of expansion and the age of the universe. Additionally, it has led to the development of the Big Bang theory, which explains the origin and evolution of the universe.

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