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Scattering And Absorption of Light in Planetary Regoliths
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La interacción interestelar de la heliosfera: no hay arco de choque en el arco.

D J McComas1, D Alexashov, M Bzowski

  • 1Southwest Research Institute, San Antonio, TX 78228, USA. dmccomas@swri.edu

Science (New York, N.Y.)
|May 15, 2012
PubMed
Resumen
Este resumen es generado por máquina.

El Sol es el Sol.

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Área de la Ciencia:

  • * Heliofísica y física del plasma espacial.
  • * Interacciones del medio interestelar.

Sus antecedentes:

  • * La heliosfera es una cavidad tallada por el viento solar del Sol.
  • * Comprensión previa de la velocidad del Sol en relación con el medio interestelar.
  • * Se espera un arco de choque heliosférico debido al viento solar supersónico.

Objetivo del estudio:

  • * Para proporcionar valores de consenso para el vector de velocidad del Sol.
  • * Para analizar las implicaciones de esta velocidad en la interacción interestelar global.
  • * Para reevaluar la existencia de un arco de choque heliosférico.

Principales métodos:

  • * Análisis de las observaciones recientes de la nave espacial IBEX (Interstellar Boundary Explorer).
  • * Cálculo de los valores de consenso combinados para el vector de velocidad del Sol.

Principales resultados:

  • * El movimiento relativo del Sol es más lento y en una dirección diferente a la estimada anteriormente.
  • * Es probable que la velocidad del Sol sea más lenta que la rápida velocidad magnetosónica.
  • * Ausencia de un arco de choque por delante de la heliosfera.

Conclusiones:

  • * Comprensión revisada del movimiento del Sol a través del medio interestelar local.
  • * La heliosfera probablemente carece de un arco de choque.
  • * Implicaciones para la interacción entre la heliosfera y el medio interestelar.