From jkahila@world.std.com Wed Aug 28 10:53:34 2002 Return-Path: Delivered-To: zzzz@localhost.netnoteinc.com Received: from localhost (localhost [127.0.0.1]) by phobos.labs.netnoteinc.com (Postfix) with ESMTP id 26F9944155 for ; Wed, 28 Aug 2002 05:53:32 -0400 (EDT) Received: from phobos [127.0.0.1] by localhost with IMAP (fetchmail-5.9.0) for zzzz@localhost (single-drop); Wed, 28 Aug 2002 10:53:32 +0100 (IST) Received: from n13.grp.scd.yahoo.com (n13.grp.scd.yahoo.com [66.218.66.68]) by dogma.slashnull.org (8.11.6/8.11.6) with SMTP id g7S3q3Z09666 for ; Wed, 28 Aug 2002 04:52:03 +0100 X-Egroups-Return: sentto-2242572-53124-1030506729-zzzz=example.com@returns.groups.yahoo.com Received: from [66.218.67.200] by n13.grp.scd.yahoo.com with NNFMP; 28 Aug 2002 03:52:09 -0000 X-Sender: jkahila@world.std.com X-Apparently-To: zzzzteana@yahoogroups.com Received: (EGP: mail-8_1_0_1); 28 Aug 2002 03:52:09 -0000 Received: (qmail 34412 invoked from network); 28 Aug 2002 03:52:08 -0000 Received: from unknown (66.218.66.217) by m8.grp.scd.yahoo.com with QMQP; 28 Aug 2002 03:52:08 -0000 Received: from unknown (HELO TheWorld.com) (199.172.62.103) by mta2.grp.scd.yahoo.com with SMTP; 28 Aug 2002 03:52:08 -0000 Received: from amdk62450 (ppp0c006.std.com [208.192.102.6]) by TheWorld.com (8.9.3/8.9.3) with ESMTP id XAA29517 for ; Tue, 27 Aug 2002 23:52:06 -0400 To: Message-Id: X-Priority: 3 (Normal) X-Msmail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-Mimeole: Produced By Microsoft MimeOLE V6.00.2600.0000 In-Reply-To: <001501c24e28$d2c3c960$21aa9840@oemcomputer> Importance: Normal From: "John Kahila" X-Yahoo-Profile: jkahila MIME-Version: 1.0 Mailing-List: list zzzzteana@yahoogroups.com; contact forteana-owner@yahoogroups.com Delivered-To: mailing list zzzzteana@yahoogroups.com Precedence: bulk List-Unsubscribe: Date: Tue, 27 Aug 2002 23:57:42 -0400 Subject: RE: [zzzzteana] Moon over ocean Reply-To: zzzzteana@yahoogroups.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit >David asked: >> My wife noticed something odd. The nearly-full moon was about 30 >> degrees above the horizon. There was a notable glow on the horizon, >> except under the moon. The moon seemed to be in a column of darkness >> that was about three times the apparent width of the moon. We could see >> the column over its entire length as a strip of sky darker than the sky >> around it. >> >> Any of you ever see this? Do you have any idea what could have caused >> it? I suspect it's due to some pecularity of the visual system, but >> have no clear idea. Bill Jacobs: > I'm surprised to not find this phenomenon in Corlis. I could have sworn I > saw it there. He does have the somewhat similar dark sky between a rainbow > and a secondary bow. I personally have seen a rainbow enclosing a > semi-circle of darker sky. > > I know I've read about pillars under the Sun and Moon elsewhere, > but I can't recall if they were reportedly dark or bright. I do know > these sorts of things are supposed to be quirks of optics not of the > visual system. I'm sorry I haven't got any answers, but a search > through some books on atmospheric optics ought to turn a few hints up. Some links: comprehensive http://www.meteoros.de/indexe.htm Atmospheric Light Phenomena http://www.auf.asn.au/meteorology/section12.html interesting observational stuff from the prior millenium including pix (click 1997 / colour plates) http://www.ursa.fi/ursa/jaostot/halot/ehp/index.html more pix, many of which flip to negative to highlight details (hover cursor) http://idefix.taide.turkuamk.fi/~iluukkon/taivas/valok/88.html and subsequent links john k ------------------------ Yahoo! Groups Sponsor ---------------------~--> 4 DVDs Free +s&p Join Now http://us.click.yahoo.com/pt6YBB/NXiEAA/MVfIAA/7gSolB/TM ---------------------------------------------------------------------~-> To unsubscribe from this group, send an email to: forteana-unsubscribe@egroups.com Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/