From: utzoo!decvax!harpo!seismo!hao!csu-cs!silver
Newsgroups: net.space
Title: Re: Pioneer 10 leaves solar system
Article-I.D.: csu-cs.2182
Posted: Thu Apr 28 13:04:51 1983
Received: Fri Apr 29 21:16:51 1983
References: utzoo.2929


Sorry to disagree with you, but crossing the orbit of any planet does not
make a spacecraft interstellar.  I argue that that event occurred precisely
at the moment the engines (or the planet it was passing -- did it use
gravity assist?) gave Pioneer 10 escape velocity.