Anacoustic Zone
The region above an altitude of about 100 miles where the distance between the air molecules is greater than the wavelength of sound, and sound waves can no longer be propagated.
See also: Acoustics.
Subjects: Noise & Vibration
The region above an altitude of about 100 miles where the distance between the air molecules is greater than the wavelength of sound, and sound waves can no longer be propagated.
See also: Acoustics.
Subjects: Noise & Vibration