[Alter Kaker]

If we are viewing the light, from the center of the universe from a big-bang event that happened billions of years ago,

We're not seeing the big bang itself. What we can see is microwave background radiation, which can be thought of as the afterglow from the Big Bang.

[dhs12345]

But microwave is the same and light isn't it -- em wave? Visible light, microwave -- same thing just different wavelength. Both travel at the same speed -- c.