Astr 221 Sept 12 2003: The Earth Continued
Figure 9:Plate Tectonics
Plate Boundaries
The Continental Puzzle
Summary
Where does the Energy come from?
Cooling the center of the Earth
Earth's Atmosphere
Equation of Hydrostatic Equilibrium
Versions of the Ideal Gas Law
Hydrostatic Equilibrium and the IGL
HE and the IGL continued...
Pressure Vs Altitude
Retaining an Atmosphere
Average Speed graph H and O
Why are H & He so rare in our atmosphere?
Velocities
