> > In my time as a meteor observer, I recall that some observers > reported > > hearing noises only a few seconds after the meteor burnup. > Obviously, it > > could not be sound. There is no definitive answer (NASA does zero > > research in meteors. It basically ignores the entire field.), but > the > > latest theory is an electrostatic event. > > I believe the term you mean is "electrophonic". As you > mentioned, bright bolides can produce electrophonic sounds > that are more-or-less coincident with the meteor observation. > The theory is that electromagnetic waves interact with metallic > objects on the ground (near the observer) which then act as > transducers. Thus the end result is sound, but the sound > waves have not had to travel very far. --Rob Yes, you're right. Nomenclature mix-up. Jonathan Wojack tlj18@juno.com ________________________________________________________________ YOU'RE PAYING TOO MUCH FOR THE INTERNET! Juno now offers FREE Internet Access! Try it today - there's no risk! For your FREE software, visit: http://dl.www.juno.com/get/tagj. ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
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