1994-04-27 - Mirrors…

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From: Peter Wayner <pcw@access.digex.net>
To: rarachel@prism.poly.edu
Message Hash: 25b31c3ccc54750ce91653c6dc1a282f2e1893d2e4eb2a9a60e7691bc3892013
Message ID: <199404271757.AA17139@access1.digex.net>
Reply To: N/A
UTC Datetime: 1994-04-27 17:57:45 UTC
Raw Date: Wed, 27 Apr 94 10:57:45 PDT

Raw message

From: Peter Wayner <pcw@access.digex.net>
Date: Wed, 27 Apr 94 10:57:45 PDT
To: rarachel@prism.poly.edu
Subject: Mirrors...
Message-ID: <199404271757.AA17139@access1.digex.net>
MIME-Version: 1.0
Content-Type: text/plain

I was just at a talk at the Space Telescope Institute
that described a telescope that would be suspended
from a balloon over the South Pole. There was no one
mirror. It was a composite of 10 smaller mirrors that
were layed out over a grid. They did all sorts of studies
on the harmonics. 

It was not clear to me, though, that the array could be
folded up. I'm sure that they needed very careful alignment.