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From: ST401385@BROWNVM.BITNET
Newsgroups: net.space
Subject: Olber Redux
Message-ID: <8603060300.AA00847@s1-b.arpa>
Date: Wed, 5-Mar-86 13:07:27 EST
Article-I.D.: s1-b.8603060300.AA00847
Posted: Wed Mar  5 13:07:27 1986
Date-Received: Sat, 8-Mar-86 18:39:27 EST
Sender: uucp@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 11

I don't quite understand your posting about defocussing due to
negative curvature being a solution to the Olber paradox.
The problem is with the total amount of energy; whether it is
focussed or defocussed does not change the situation.
Even in the most radical case, where defocussing results in
light eventually returning to its source, the problem remains
(the brightness of the night sky then has components due
to nearby luminous objects).

          --Geoffrey A. Landis, Brown University
            Reply to: ST401385%BROWNVM.BITNET@WISCVM.ARPA