Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!decvax!harpo!eagle!mhuxi!mhuxj!mhuxl!mhuxm!pyuxi!u1100a!u1100s!dad From: dad@u1100s.UUCP Newsgroups: net.space Subject: re: Interplanetary Migration for population control Message-ID: <143@u1100s.UUCP> Date: Thu, 15-Sep-83 20:46:59 EDT Article-I.D.: u1100s.143 Posted: Thu Sep 15 20:46:59 1983 Date-Received: Sat, 17-Sep-83 20:14:03 EDT Lines: 14 Several people have recently posted articles arguing that since commercial aviation is able to move more than 300K people per day, it should be possible to have an out migration from Earth of the same magnitude. One significant problem with this line of reasoning is that the vehicles used to transport commercial aviation passengers one day are still around to transport more passengers the next day. In an out bound migration, the vehicles used to transport the passengers are gone from the system once they are used. (I am talking about the interplanetary vehicles, not the shuttles used to move the passengers to Earth orbit.) I would hate to think what would happen to the Earth's supplies of spaceship building materials (e.g. titanium) after 100 years of sending out thousands of ships each day. Doug Davey Bell Labs ihnp4!u1100s!dad