Astro 342: Fall 06
Review Sheet 3
- Impacts of small bodies
- The impact cratering record of the moon
- time-dependence of impact rates
- Large impact craters on the Earth
- consequences of impacts on terrestrial climate and life
- Icy moons of the outer solar system
- ice tectonics
- thermal effects near the surface (liquid vs. solid vs. gas, etc).
- surface features of notable moons
- the Pluto-Charon system
- Rings
- survey of rings in the solar system
- the Roche limit
- survival of small bodies within rings)
- why so flat?
- resonances and gaps/edges
- ages of rings
- Formation of stars and planetary systems
- the Jeans mass / length - scales of ISM gravitational collapse
- fragmentation
- rotation - disk formation
- ``What must a model of solar system formation explain?''
- condensation temperature and disk temperature profile
- the ``frost line''
- coagulation, critical stages, oligarchy, and migration
- Extrasolar planetary systems
- General characteristics
- detection techniques, selection effects
- understanding 'hot Jupiters'
- metallicity correlations