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Updated: Jul 12, 2026

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Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
Observaciones de un cometa en curso de colisión con el sol
Resumen
Un nuevo cometa, Howard-Koomen-Michels, fue descubierto por el coronógrafo SOLWIND. Este cometa probablemente se desintegró en la atmósfera del sol, esparciendo escombros que iluminaron la corona solar.
Área de la Ciencia:
- La astronomía y la astrofísica.
- Física solar Física solar es la física de la energía solar.
Sus antecedentes:
- El coronógrafo SOLWIND en el satélite P78-1 proporcionó capacidades de observación únicas.
- Los cometas rayantes son una clase de cometas que pasan muy cerca del Sol.
Objetivo del estudio:
- Para informar sobre el descubrimiento y el análisis inicial de un nuevo cometa, 1979 XI (Howard-Koomen-Michels).
- Para investigar la interacción del cometa con la atmósfera solar y su posible clasificación dentro del grupo Kreutz.
Principales métodos:
- Análisis de datos de imágenes del coronógrafo SOLWIND del Laboratorio de Investigación Naval.
- Cálculos orbitales preliminares basados en el movimiento cometario observado y la morfología de la cola.
Principales resultados:
- Descubrimiento del cometa 1979 XI (Howard-Koomen-Michels) con un coma y una cola visibles.
- La evidencia sugiere que el cometa era un rayador de sol con una distancia al perihelio de menos de 1 radio solar.
- El núcleo cometario parece haberse vaporizado por completo debido a la proximidad solar.
- Los escombros post-vaporización se dispersaron en el viento solar, causando un brillo notable de la corona solar.
Conclusiones:
- El cometa 1979 XI es identificado como un cometa de rayos solares, posiblemente perteneciente al grupo Kreutz.
- El núcleo del cometa fue destruido por su paso cercano al Sol.
- El brillo coronal observado se atribuye a los escombros cometarios dispersos.
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