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Calentamiento de la atmósfera superior de Júpiter por encima de la Gran Mancha Roja
Nature
|July 28, 2016
Resumen
Las atmósferas de los planetas gigantes son inesperadamente calientes. Las observaciones revelan un punto súper caliente por encima de la Gran Mancha Roja de Júpiter, lo que indica un calentamiento atmosférico interno, probablemente de las ondas internas.
Área de la Ciencia:
- Ciencias planetarias
- Física de la atmósfera
- Dinámica de fluidos
Sus antecedentes:
- Las atmósferas superiores de los planetas gigantes exhiben temperaturas significativamente más altas de lo que predicen los modelos de calentamiento solar.
- Los modelos anteriores no pudieron explicar esta discrepancia, con el transporte de energía auroral limitado por las fuerzas de Coriolis.
Objetivo del estudio:
- Para investigar la fuente de inexplicables altas temperaturas en las atmósferas superiores de los planetas gigantes.
- Para identificar el mecanismo de calentamiento responsable de la anomalía térmica por encima de la Gran Mancha Roja de Júpiter.
Principales métodos:
- Análisis de los datos de temperatura de la atmósfera superior de Júpiter, centrándose en la región de la Gran Mancha Roja.
- Proceso de eliminación para descartar mecanismos de calentamiento conocidos como la energía solar y auroral.
Principales resultados:
- Se detectó un "punto caliente" distinto cientos de grados más caliente que las regiones circundantes por encima de la Gran Mancha Roja de Júpiter.
- Este calentamiento localizado no puede explicarse por la radiación solar o la energía auroral atrapada.
Conclusiones:
- El punto caliente de la Gran Mancha Roja proporciona una fuerte evidencia de calentamiento atmosférico interno en Júpiter.
- Las ondas acústicas o de gravedad que se propagan hacia arriba son la causa probable, lo que indica el acoplamiento entre las atmósferas inferior y superior de Júpiter.
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