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
THE STRUCTURE AND EVOLUTION OF MEDIUM SIZED ICY BODIES
Uri MalamudAcknowledgment: Dina Prialnik
Department of Geophysics, Atmospheric, and Planetary Sciences
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
Can life exist elsewhere?
1. Sentient life evolving on planets2. Habitable Zone
Habitable Zone
Why Modeling?Europa
Enceladus
Titan
How does a Model work?
Properties
Energy Sources
Processes
CompositionStructurePhysical Traits
InternalExternal
Heat TransportThermodynamicsMultiphase Flow
MODEL
Structure1. Differentiated structure is postulated.2. Modeling Heating sources.3. Thermal Evolution.
Water Migration Models
Heat Sources in Larger Icy objects
CrystallizationInsolation
Long & short lived Radionuclides
Tidal Heating
Serpentinization
Physical Description
Output
Significance of Water Migration
Thank You