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Article #7553

Re: Absorption lines are unaffected by Doppler shift.

#7553
From: Tim Auton
Date: Sat, 15 Oct 2005 19:45
22 lines
2527 bytes
"Androcles" <Androcles@ MyPlace.org> wrote:
>Assistant Professor "Paul B. Andersen" <paul.b.andersen@hia.no> of :
>Agder University College (HiA)
>Serviceboks 422, N-4604 Kristiansand, NORWAY Tel (+47) 38 14 10 00 Fax 
>(+47) 38 14 10 01
>has executed the biggest fumble ever seen in the history of 
>sci.physics.relativity
>in message
> news:dir555$965$1@dolly.uninett.no...
>
>"The spectral class [of stars]  is determined by the relative positions 
>and intensities
> of the absorption lines, and these are unaffected by a Doppler shift."
>'Nuff said, nobody could top that [...]

It's clear to me the author meant that the relative positions are
unaffected, not the absorbtion lines themselves are unaffected.


Tim
-- 
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From: Tim Auton <tim.auton@uton.groupSexWithoutTheY>
Newsgroups: sci.physics.relativity,sci.physics,alt.astronomy,alt.binaries.astronomy,uk.sci.astronomy,gac.physics.astronomy
Subject: Re: Absorption lines are unaffected by Doppler shift.
Date: Sat, 15 Oct 2005 20:45:10 +0100
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