... investigatorinitiatives in the NSF for national facilities. In the vitality category, newtheory and modeling initiatives, notably the Coupling Complexity initiative(discussed in the report of the Panel on Theory, ... outreach. The reports of the panels are published in a separatevolume titled The Sun to the Earth and Beyond: Panel Reports (2003, in press). In addition to the input from the five study panels, the ... coming decade and beyond: •Challenge 1: Understanding the structure and dynamics of the Sun’sinterior, the generation of solar magnetic fields, the origin of the solar cycle, the causes of...