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From: space@mit-mc
Newsgroups: net.space
Subject: Re: Telescopes
Message-ID: <654@mordor.UUCP>
Date: Sat, 23-Feb-85 05:32:05 EST
Article-I.D.: mordor.654
Posted: Sat Feb 23 05:32:05 1985
Date-Received: Sat, 23-Feb-85 11:46:17 EST
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From: <dual!qantel!hplabs!tektronix!carlc>

I don't buy your electronic telescope scheme.  A mirror "knows"
more than just the position (x,y,z) of a light ray impinging on it,
it knows the *direction* as well.  Without direction information, how
do you know where in the sky a ray came from?  In other words,
how does your scheme *focus* the light?
--Carl