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Re: (meteorobs) Bolide booms
MSNBC reported:
>>>[rapid expansion of a channel of air creates sound waves]
And David Cross wrote:
>>>I'd assumed that the loud noises reported were sonic booms.
And Robert Verish responded:
>David, I think your assumption is more correct.
Come to think of it, I'm not sure on this one myself... I've always heard
non-simultaneous meteor sounds called "sonic booms", but based on my
recollections from the literature, both explanations DO seem plausible!
Would anybody with a better handle on the meteor physics (or a copy of
D W R McKinley handy) care to comment on this question??
Clear skies,
Lew
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