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- NH23B-0474: Investigating the Classification of Infrasound Signals Generated by Bright Meteors
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Board 0474‚ Hall EFG (Poster Hall)NOLA CC
Author(s):Generic 'disconnected' Message
Emerson Brown, Northwestern University (First Author, Presenting Author)
Andrea Thompson, Sandia National Laboratories
Elizabeth Silber, Sandia National Laboratories
When small space rocks, known as meteoroids, enter Earth's atmosphere, they often create bright streaks in the sky called meteors. Sometimes, they also produce shock waves that travel through the atmosphere as very low-frequency sound, known as infrasound. In this study, we look at different types of infrasound signals created by meteors to better understand how and why these signals vary. By analyzing data from 71 meteors recorded simultaneously with cameras and specialized sound detectors, we explore how factors such as the type of the shock wave and how far it travels affect the apparent features in infrasound signal observed. Our goal is to improve the interpretation of these signals, which can help scientists better understand meteor events and related occurrences, such as the re-entry of space debris into Earth's atmosphere.
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