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Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!tektronix!reed!nsc-pdc!teneron!shanks
From: shanks@teneron.UUCP (Dave Shanks)
Newsgroups: net.astro
Subject: Re: StarDate: August 15: Return of the Dog Star
Message-ID: <202@teneron.UUCP>
Date: Fri, 23-Aug-85 14:49:05 EDT
Article-I.D.: teneron.202
Posted: Fri Aug 23 14:49:05 1985
Date-Received: Tue, 27-Aug-85 02:21:12 EDT
References: <559@utastro.UUCP>
Reply-To: shanks@teneron.UUCP (Dave Shanks)
Organization: Teneron Corp., Beaverton, OR
Lines: 17
Summary: 

In article <559@utastro.UUCP> dipper@utastro.UUCP (Debbie Byrd) writes:

>Around this time every year, Sirius returns to the predawn sky.
...
>                          The heliacal rising of Sirius used to occur
>around the end of June -- about the same time that Egypt's Nile River
>staged is yearly flood.

Why has the heliacal rising of Sirius moved from early summer to its
present date since the time of the Egyptians?  Does it have something
to do with the precession of Earth's axis?  This is just idle curiosity.
-- 
Dave Shanks	..!tektronix!reed!teneron!shanks
Teneron Corp.
6700 SW 105th   Suite 200
Beaverton, OR  97005
(503) 646-1599