Session Chair: Claus Frohlich
08:30-09:00 Understanding the Internal Structure of the Sun S. Sofia09:00-09:30 Mechanisms for Solar Irradiance Variability J. Kuhn
09:30-10:00 Effect of Solar Surface Magnetic Activity on Irradiance Changes W. Schmutz and S. Solanki
10:00-10:30 BREAK `