Re: GPS vs. Source Dependency

From: Jerry (Cephalobus_alienus_at_comcast.net)
Date: 02/22/05 

Date: 21 Feb 2005 20:02:52 -0800

Henri Wilson wrote:
.
<snip>
.
> It is to be expected that light entering the atmosphere at a
particular angle
> will be refracted by the same amount no matter what its relative
speed.
.
No matter how highly red-shifted or blue-shifted the light, it always
emerges from a prism at the exact same angle as light from a stationary
source? Prisms are useless for detecting Doppler shift?
.
> Diffraction by a grating should also be independent of light speed,
being a
> function of wavelength only.
.
No matter how highly red-shifted or blue-shifted the light, it always
emerges from a diffraction grating at the exact same angle as light
from a stationary source? Diffraction gratings are useless for
detecting Doppler shift?
.
<snip>
.
Jerry
.
(Excess periods are an attempt to prevent Google Groups from messing up
my attribution marks. Let's see if they work...)

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