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THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES

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)

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THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES

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  1. THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES Uri Malamud Acknowledgment: Dina Prialnik Department of Geophysics, Atmospheric, and Planetary Sciences

  2. Water in the solar system • Main Belt (disguised comets?) • Trojans • Asteroids • Long-period (Oort Cloud) • Short-period (Kuiper Belt) • Main Belt (?) • Comets • Icy Satellites • Centaurs 500 km • Classical • Plutinos • Scattered • Kuiper Belt Objects

  3. Can life exist elsewhere? Habitable Zone • Sentient life evolving on planets • Habitable Zone

  4. Why Modeling? Europa Enceladus Titan

  5. How does a Model work? Processes Properties Heat Transport Composition Thermodynamics Structure Multiphase Flow Physical Traits MODEL Energy Sources Internal External

  6. Structure • Differentiated structure is postulated. • Modeling Heating sources. • Thermal Evolution. Water Migration Models

  7. Heat Sources in Larger Icy objects Insolation Crystallization Tidal Heating Serpentinization Long & short lived Radionuclides

  8. Physical Description

  9. Output

  10. Significance of Water Migration

  11. Thank You

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