----- Original Message ----- From: Roman Black > More seriously, you say "the Earth will only be > habitable for the next billion years", really do you > think we WON'T have interstellar transport within > a billion years from now?? That's making assumptions based on what we don't know, and based on theories at best, fiction at worst. At any rate we don't know if humanity will exist tomorrow. The chances say yes but to rule out the improbabilities, maybe tomorrow life as we know it will be radically altered. Jeff -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads