An interdisciplinary approach to solar physics, as eighty-nine contributors trace the evolution of the Sun and provide a review of our current understanding of both its structure and its role in the origin and evolution of the solar system.

C.P. Sonett is Regents' Professor Emeritus of planetary science at the University of Arizona M.S. Giampapa is a staff astronomer at National Solar Observatory, National Optical Astronomy Observatories.