Whitepaper #167 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: basic research. Additional topics: other basic research; space-based missions/projects; system science.
Fundamental questions concerning how auroral features are related to one another and to processes in the magnetosphere remain unclear. Limitations with past global auroral imagers are discussed. Critical open questions are summarized and types of next-generation more-capable global auroral imagers that can be used to answer these questions are discussed