Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site utastro.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!whuxl!houxm!ihnp4!qantel!dual!mordor!ut-sally!utastro!ethan From: ethan@utastro.UUCP (Ethan Vishniac) Newsgroups: net.sf-lovers Subject: Re: What the Visitors came for Message-ID: <357@utastro.UUCP> Date: Mon, 15-Jul-85 10:29:59 EDT Article-I.D.: utastro.357 Posted: Mon Jul 15 10:29:59 1985 Date-Received: Wed, 17-Jul-85 21:02:08 EDT References: <2711@topaz.ARPA> Organization: U. Texas, Astronomy, Austin, TX Lines: 22 Actually I neither know nor care what the Visitors came for. However.. > > >> Isaac Asimov wrote a book in whichthe plot traced an expedition > >> from Mars to Jupiter to acquire water. > > > > Wasn't that Saturn ? > > The story (novelette) is "The Martian Way", and the expedition went > to the asteroid belt, I believe. (Makes more sense than Jupiter or > Saturn, doesn't it? I could be wrong, however; I don't have a copy > of the story.) Sorry, but you are wrong. The expedition went to the rings of Saturn. The water content of asteroids is probably very small. The moons of Jupiter have lots of water, but Asimov implied that even a modest gravitational field would have been a problem. -- "Don't argue with a fool. Ethan Vishniac Borrow his money." {charm,ut-sally,ut-ngp,noao}!utastro!ethan Department of Astronomy University of Texas