390E-427-Meteor Whispers

About this episode

This episode explores the phenomenon of electrophonic meteors and the mysterious sounds reported by observers during meteor sightings.

Often observers report hearing a percussive sound, like a sonic boom from an aircraft, minutes after viewing a bright meteor fireball. In addition, in a fewer number of instances, there are many reliable reports of observers hearing popping, hissing, and rustling sounds at the same time they are observing a very bright meteor traveling though the night sky. Professional astronomers have long dismissed these reports saying that what these people hear simultaneously with their visual observations cannot be due to to sound traveling from the meteors path since sound travels 800,000 times slower than light and would take 1.5 to 4 minutes to traverse the distance that the light does in a tiny fraction of a second. Recent scientific studies have begun to shed light on the interesting mystery of how the small number of what we now call electrophonic meteors produce simultaneous light and sound. One theory is that the flickering bright light produced in the meteor's path is absorbed by by hair or other material near the observer's ears producing acoustic sound waves. An alternate hypothesis is that as the meteor streaks through our atmosphere it ionizes air molecules whose motion in the…

People in this episode

Host: Albert D. Grauer

Topics covered

• meteors
• sound phenomena
• electrophonic meteors
• astronomy
• light and sound
• scientific studies

Keywords

• meteors
• sonic boom
• electrophonic
• light and sound
• atmospheric science
• acoustic sound waves

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