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Published on: February 3, 2014
Sonidos anómalos de la entrada de bolas de fuego de meteoritos
Resumen
Las bolas de fuego brillantes pueden producir sonidos inusuales al emitir energía electromagnética de muy baja frecuencia (VLF). Esta energía puede excitar sonidos en objetos cercanos, lo que explica los informes esporádicos de fenómenos auditivos asociados con bolas de fuego y auroras.
Área de la Ciencia:
- Física de la atmósfera física de la atmósfera.
- La acústica es la acústica.
- El electromagnetismo es el electromagnetismo.
Sus antecedentes:
- Sonidos anómalos fueron reportados por observadores de una brillante bola de fuego de 1978 en Nueva Gales del Sur.
- Se sabe que las bolas de fuego brillantes emiten una energía electromagnética significativa en el espectro de frecuencias muy bajas (VLF).
Objetivo del estudio:
- Para investigar la causa de los sonidos anómalos asociados con bolas de fuego brillantes.
- Proponer un mecanismo que vincule las emisiones VLF de las bolas de fuego con los sonidos audibles.
Principales métodos:
- Análisis de las observaciones de bolas de fuego y los sonidos asociados.
- Modelado teórico de la generación de emisiones VLF en las vigilias de bola de fuego.
- Pruebas con sujetos humanos para evaluar los umbrales de percepción de sonidos inducidos eléctricamente.
Principales resultados:
- Las brillantes bolas de fuego generan considerable energía electromagnética VLF.
- Un mecanismo propuesto explica la producción de emisiones VLF a través de la turbulencia de vigilia energética.
- La percepción humana de los sonidos inducidos por VLF varía ampliamente, influenciada por la excitación de ondas acústicas superficiales.
Conclusiones:
- La naturaleza esporádica de los informes de sonidos anómalos de bolas de fuego y auroras puede explicarse por la energía electromagnética VLF, la propagación variable y los umbrales de percepción individual.
- El estudio proporciona una base física para la comprensión de los fenómenos auditivos que acompañan a los meteoritos brillantes.
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