Speed of Light with Expanding Universe?



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Topic: Science > Physics
User: "Sanny"
Date: 20 Jul 2007 11:34:04 AM
Object: Speed of Light with Expanding Universe?
We say Universe is expanding.
Say Universe expands 5 times will the speed of light also become 5
times?
A Meter Scale we keep for observing distance will also Expand 5 times
So how this will effect the Speed of light?
So when Universe is Expanding are we all going Fatter and Taller by
same amount?
And what is the speed of Expansion any way to calculate that?
Big Bang is False or True? Any Explanation of that.
Bye
Sanny
.

User: "smallpond"

Title: Re: Speed of Light with Expanding Universe? 20 Jul 2007 03:37:44 PM
On Jul 20, 12:34 pm, Sanny <softta...@hotmail.com> wrote:

We say Universe is expanding.

Say Universe expands 5 times will the speed of light also become 5
times?

A Meter Scale we keep for observing distance will also Expand 5 times
So how this will effect the Speed of light?

So when Universe is Expanding are we all going Fatter and Taller by
same amount?

And what is the speed of Expansion any way to calculate that?

Big Bang is False or True? Any Explanation of that.

Bye
Sanny

I bought a time machine that transports the entire universe into the
future by 1,000,000 years. I've used it twice and it works great.
As you can see, nothing was left behind.
Big Bang is False or True?
Two guys got a dynamite prize for hearing the Big Bang.
-- S
.

User: "Sam Wormley"

Title: Re: Speed of Light with Expanding Universe? 20 Jul 2007 06:53:05 PM
Sanny wrote:

We say Universe is expanding.

Say Universe expands 5 times will the speed of light also become 5
times?

A Meter Scale we keep for observing distance will also Expand 5 times
So how this will effect the Speed of light?

The speed of light is a *defined* constant.
http://scienceworld.wolfram.com/physics/SpeedofLight.html
There is cosmic expansion on the larger scale of about 71 km/s/Mpc,
yet on scale of galactic clusters and local neighborhoods, gravity
dominates. A meter will remain the length of the path travelled by
light in vacuum during a time interval of 1/299 792 458 of a second.
No Center
http://www.astro.ucla.edu/~wright/nocenter.html
http://www.astro.ucla.edu/~wright/infpoint.html
Also see Ned Wright's Cosmology Tutorial
http://www.astro.ucla.edu/~wright/cosmolog.htm
http://www.astro.ucla.edu/~wright/cosmology_faq.html
WMAP: Foundations of the Big Bang theory
http://map.gsfc.nasa.gov/m_uni.html
WMAP: Tests of Big Bang Cosmology
http://map.gsfc.nasa.gov/m_uni/uni_101bbtest.html
.


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