Re: GPS vs. Source Dependency

From: Henri Wilson (H_at_..(Henri)
Date: 02/22/05


Date: Tue, 22 Feb 2005 20:03:17 GMT

On 21 Feb 2005 20:02:52 -0800, "Jerry" <Cephalobus_alienus@comcast.net> wrote:

>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?

There you go!
Just like I said.
Refraction angle is independent of light speed.

>.
>> 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?

There you go!
Just like I said.
Diffraction angle is independent of light speed.

>.
><snip>
>.
>Jerry
>.
>(Excess periods are an attempt to prevent Google Groups from messing up
>my attribution marks. Let's see if they work...)

HW.
www.users.bigpond.com/hewn/index.htm



Relevant Pages

  • Re: GPS vs. Source Dependency
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    ... No matter how highly red-shifted or blue-shifted the light, ... emerges from a prism at the exact same angle as light from a stationary ... emerges from a diffraction grating at the exact same angle as light ...
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  • Re: GPS vs. Source Dependency
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  • Re: GPS vs. Source Dependency
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