Planetary Geology: dominant processes

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Presentation transcript:

Planetary Geology: dominant processes

P & S seismic waves

Probing planetary interior

Core and mantle

Craters & surface composition Moon Europa Mars

craters’ structure

craters on asteroids Size distribution Evolutionary trend

Scars and age

Preservation of crater record

Water and wind erosion

Survival of meteorites on Earth

limited record on Earth

Internal heat transfer

Surface cooling Heat capacity: volume Energy loss rate: area Smaller planets cool faster Earth: cooling slowly Mercury: rapid cooling

Surface: impact vs volcanic craters

Geodynamo: magnetic fields

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