Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!philabs!cmcl2!floyd!whuxlb!pyuxll!abnjh!filed01 From: filed01@abnjh.UUCP Newsgroups: net.misc Subject: Re: The Earth-Centered Universe Message-ID: <191@abnjh.UUCP> Date: Wed, 13-Jul-83 10:48:41 EDT Article-I.D.: abnjh.191 Posted: Wed Jul 13 10:48:41 1983 Date-Received: Thu, 14-Jul-83 05:26:57 EDT References: <5517@unc.UUCP> ulysses.490 Lines: 5 The concept of a centered universe is somewhat arbitrary. Since all motion is relative, the earth could be taken as the center of the universe. The equations describing the motion of all other celestial bodies them become somewhat complicated, however.