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Planetary Geology: dominant processes

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Presentation on theme: "Planetary Geology: dominant processes"— Presentation transcript:

1 Planetary Geology: dominant processes

2 P & S seismic waves

3 Probing planetary interior

4 Core and mantle

5 Craters & surface composition
Moon Europa Mars

6 craters’ structure

7 craters on asteroids Size distribution Evolutionary trend

8 Scars and age

9 Preservation of crater record

10 Water and wind erosion

11 Survival of meteorites on Earth

12 limited record on Earth

13 Internal heat transfer

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

15 Surface: impact vs volcanic craters

16

17 Geodynamo: magnetic fields

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