sci.physics.particle

kenseto wrote:

>
> all light sources in the observer's frame will have a defined
> wavelength. The incoming light becomes a new light source in the
> observer's frame and thus it is defined to have a new wavelength. The
> new wavelength can be used to determine the origin of the incoming
> light. The frequency shift is due to the varying speed of the incoming light
> as follows:
> c'= (detected incoming frequency)(universal wavelength of the incoming
> light)
>
> Ken Seto
>

The speed of light is constant. Wavelength shift is dependent of relative
motion between source and observer.