| The Sun, Our Star | 329 |
| 11.1Size and Structure | 330 |
| Measuring the Sun's Properties | 331 |
| The Solar Interior | 332 |
| Energy Transport | 332 |
| The Solar Atmosphere | 333 |
| 11.2How the Sun Works | 335 |
| Internal Balance (Hydrostatic Equilibrium) | 335 |
| Pressure in the Sun | 335 |
| Powering the Sun | 336 |
| Nuclear Fusion | 337 |
| The Structure of Hydrogen and Helium | 337 |
| The Proton-Proton Chain | 337 |
| 11.3Probing the Sun's Core | 338 |
| Solar Neutrinos | 338 |
| Solar Seismology | 340 |
| 11.4Solar Magnetic Activity | 341 |
| Sunspots | 341 |
| Solar Magnetic Fields | 341 |
| Prominences and Flares | 342 |
| Heating of the Chromosphere and Corona | 344 |
| Extending Our Reach: Detecting Magnetic Fields: The Zeeman Effect | 345 |
| The Solar Wind | 346 |
| 11.5The Solar Cycle | 346 |
| Cause of the Solar Cycle | 346 |
| Changes in the Solar Cycle | 348 |
| Links between the Solar Cycle and Terrestrial Climate | 349 |
| Projects | 353 |
2002 McGraw-Hill Higher Education