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Sondajes de radar del subsuelo de Marte
Giovanni Picardi1, Jeffrey J Plaut, Daniela Biccari
1Infocom Department, "La Sapienza" University of Rome, 00184 Rome, Italy.
Science (New York, N.Y.)
|December 2, 2005
Resumen
El orbitador Mars Express se encuentra en órbita.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- La geofísica es la geofísica.
- Radar de detección remota de radar.
Sus antecedentes:
- El instrumento MARSIS del orbitador Mars Express explora el subsuelo marciano.
- Estudios anteriores han investigado las características geológicas marcianas utilizando datos orbitales.
Objetivo del estudio:
- Para analizar los datos de radar del orbitador Mars Express para caracterizar el subsuelo marciano.
- Identificar e interpretar estructuras geológicas en las tierras bajas del norte de Chryse Planitia.
Principales métodos:
- Utilizando el radar avanzado de Marte para el instrumento de sondeo subterráneo e ionosférico (MARSIS).
- Analizando patrones de penetración y reflexión de señales de radar en depósitos subterráneos marcianos.
Principales resultados:
- Las señales de radar sondearon con éxito el subsuelo marciano a kilómetros de profundidad.
- Una estructura cuasi-circular de ~250 km de diámetro en Chryse Planitia fue identificada como una cuenca de impacto enterrada poco profundamente.
- Se detectó un reflector plano, potencialmente un depósito de baja pérdida de más de 1 km de espesor, asociado con la cuenca.
Conclusiones:
- Los datos de MARSIS revelan importantes estructuras subterráneas en Marte.
- La cuenca identificada y el depósito asociado proporcionan información sobre la historia del impacto de Marte y la evolución geológica.
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