The Sun, Our Star 151 5.1 Size and Structure 152 Measuring the Sun's Properties 153 The Solar Interior 154 Energy Transport 154 Convection in the Sun 155 The Solar Atmosphere 155
5.2 How the Sun Works 157 Internal Balance (Hydrostatic Equilibrium) 157 Pressure in the Sun 157 Powering the Sun 158 Nuclear Fusion 159 The Structure of Hydrogen and Helium 159 The Proton-Proton Chain 160
5.3 Probing the Sun's Core 161 Solar Neutrinos 161 Solar Seismology 162
5.4 Solar Magnetic Activity 163 Sunspots 164 Solar Magnetic Fields 164 Prominences and Flares 164 Heating of the Chromosphere and Corona 167 Extending Our Reach: Detecting Magnetic Fields: The Zeeman Effect 168 The Solar Wind 169
5.5 Solar Cycle 169 Cause of the Solar Cycle 169 Changes in the Solar Cycle 171 Links between the Solar Cycle and Terrestrial Climate 172 Projects 176
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2002 McGraw-Hill Higher Education