Planetenentstehung / Planet Formation
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Inhalt / Plan
- Introduction
- Subject of this course
- Relation to other courses
- Prerequisites
- Literature
- Logistics
- Historical overview
- From antiquity to Copernicus
- From Descartes to Laplace
- Theories of the 20th century
- Observational revolution of 1990s
- Present state of the theory
- Initial phase
- Star-forming regions
- Collapsing clouds and the Jeans criterion
- Contraction, accretion, and fragmentation
- Rotation and angular momentum
- Flattening of the cloud
- Timescales
- Formation and evolution of a gas disk
- Hydrodynamics
- Formation of a star and a disk
- Viscosity and angular momentum
- Equations of viscous accretion
- Shakura-Sunyaev model
- Disk structure and stability
- Disk dispersal
- Observations of protoplanetary disks
- Observation methods
- Evolutionary classes
- Disk mass estimates
- Disk lifetimes
- Dust-gas interactions
- Forces on dust grains
- Vertical motion: sedimentation
- Stopping time and settling time
- Vertical motion: settling-mixing
- Radial motion: drift
- Goldreich-Ward and shear-induced instabilities
- From dust to planetesimals
- Observations, experiments, modeling
- Sticking or Goldreich-Ward instability?
- Dust morphology
- From 1 micron to 1 mm
- From 1 mm to 1 m
- From 1m to 1km
- From planetesimals to planetary embryos
- Kinematics of a planetesimal swarm
- Runaway growth
- Oligarchic growth
- Gas damping of velocities
- Isolation of oligarchs
- From embryos to planets
- The timescale problem
- Critial core mass
- Growth of gas envelopes
- Formation of Uranus and Neptune
- Endgame for terrestrial planets
- Hot Jupiters and large eccentricities
- Statistics of extrasolar planets
- Disk-planet interactions
- Type I migration
- Type II migration
- Type III migration
- Comparison of migration types
- Survival strategies for planets
- Large eccentricity issue
- Planetary rotation, satellites and rings
- Planetary rotation
- Satellites of giant planets
- Satellites of terrestrial planets
- Ring systems of giant planets
- Left-over planetesimals
- Asteroid belt, EKB, and Oort cloud
- Disk cleanup and formation of Oort cloud
- Dynamical sculpturing of the asteroidal belt and EKB
- Size distribution and total mass of EKB
- Late heavy bombardment
- Debris disks
- What are debris disks?
- Observations: Vega phenomenon, resolved examples, statistics
- Internal physics of debris disks
- Debris disks and gas
- Debris disks and small bodies
- Debris disks and planets
- Synthesis and issues not covered
- A general scheme of the "standard" scenario and its bottle necks
- An alternative instability scenario (Kuiper-Cameron-Boss)
- Planets in binary systems
- Planets around neutron stars
- Habitability of planets and astrobiology
Die Inhaltsangabe ist nicht verbindlich und kann entsprechend der Gegebenheiten abgeändert werden
The contents is subject to change
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