Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!att!shuxd!devildog!atux01!jlc
From: jlc@atux01.UUCP (J. Collymore)
Newsgroups: sci.space.shuttle
Subject: Re: Atlantis is home!
Summary: Why there are two sonic booms during re-entry
Message-ID: <1216@atux01.UUCP>
Date: 19 May 89 14:16:03 GMT
References: <272@skipper.dfrf.nasa.gov> <9090001@hp-lsd.HP.COM> <4453@ttidca.TTI.COM>
Organization: AT&T CSEd/CET, Piscataway, N.J.
Lines: 11

In article <4453@ttidca.TTI.COM>, hollombe@ttidca.TTI.COM (The Polymath) writes:
> In article <9090001@hp-lsd.HP.COM> paulc@hp-lsd.HP.COM (Paul Carroll) writes:
> 
> }By the way, can anyone inform me as to why there are 2 sonic
> }booms, and not just one, from the shuttle?  ...
> 
One sonic boom is caused by the nose of the shuttle piercing the sound barrier
and the second sonic boom is caused by the THE SHUTTLES TAIL FIN also piercing
the sound barrier!

						Jim Collymore