From: utzoo!decvax!harpo!npoiv!npois!houxm!houxa!houxi!houxz!ihnp4!ixn5c!inuxc!pur-ee!uiucdcs!coletti Newsgroups: net.space Title: Re: Hail Columbia - film review - (nf) Article-I.D.: uiucdcs.1298 Posted: Wed Jan 5 12:29:10 1983 Received: Mon Jan 10 02:20:17 1983 #R:eagle:-70300:uiucdcs:12700029:000:211 uiucdcs!coletti Jan 5 11:20:00 1983 The double sonic boom occures because of the shuttle's tail. It's so tall that it extends beyound the shock-wave (sonic boom) that was generated by the nose, creating its own shock-wave. - Neil Coletti