the structure and evolution of medium sized icy bodies
DESCRIPTION
THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES. Uri Malamud Acknowledgment: Dina Prialnik. Department of Geophysics, Atmospheric, and Planetary Sciences. Water in the solar system. Main Belt ( disguised comets?) Trojans. Asteroids. Long-period (Oort Cloud) - PowerPoint PPT PresentationTRANSCRIPT
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THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES
Uri MalamudAcknowledgment: Dina Prialnik
Department of Geophysics, Atmospheric, and Planetary Sciences
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Water in the solar system
• Asteroids • Main Belt (disguised comets?)• Trojans
500 km
• Comets
• Kuiper Belt Objects
• Centaurs
• Icy Satellites
• Long-period (Oort Cloud)• Short-period (Kuiper Belt)• Main Belt (?)
• Classical• Plutinos• Scattered
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Can life exist elsewhere?
1. Sentient life evolving on planets2. Habitable Zone
Habitable Zone
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Why Modeling?Europa
Enceladus
Titan
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How does a Model work?
Properties
Energy Sources
Processes
CompositionStructurePhysical Traits
InternalExternal
Heat TransportThermodynamicsMultiphase Flow
MODEL
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Structure1. Differentiated structure is postulated.2. Modeling Heating sources.3. Thermal Evolution.
Water Migration Models
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Heat Sources in Larger Icy objects
CrystallizationInsolation
Long & short lived Radionuclides
Tidal Heating
Serpentinization
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Physical Description
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Output
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Significance of Water Migration
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Thank You