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From: matt@utastro.UUCP (Matt Wood)
Newsgroups: net.space
Subject: Re: Re: (communication with) Starships Enroute
Message-ID: <100@utastro.UUCP>
Date: Sun, 24-Nov-85 19:20:31 EST
Article-I.D.: utastro.100
Posted: Sun Nov 24 19:20:31 1985
Date-Received: Thu, 28-Nov-85 04:26:21 EST
References: <349@ssc-vax.UUCP> <10400001@ism70.UUCP>
Organization: U. Texas, Astronomy, Austin, TX
Lines: 14

> 
> You would need a very sophisticated mathematician and quite a fast computer
> to calculate the Doppler shift assuming the starship is constantly thrusting
> which necessary to reach a fair % of c. Otherwise communications would be a
> impossible.

No.  The frequency is constantly shifting, but it would be a small matter
for a programable hand calculator to keep track of the instantaneous
Doppler shift.
-- 
		Matt A. Wood 
		Astronomy Dept, University of Texas, Austin TX 78712  
		{allegra,ihnp4}!{ut-sally,noao}!utastro!matt	(UUCP)
		matt@astro.UTEXAS.EDU.				(Internet)