Movie S2.

A movie of the simulated and field-aligned mapping of the FACs from the equatorial plane of the magnetosphere to the ionosphere in the Southern Hemisphere. The format is the same as Figure 3b.

Multiple transpolar auroral arcs reveal insight about coupling processes in the Earth’s magnetotail

Qing-He Zhang, Yong-Liang Zhang, Chi Wang, Michael Lockwood, Hui-Gen Yang, Bin-Bin Tang, Zan-Yang Xing, Kjellmar Oksavik, Larry R. Lyons, Yu-Zhang Ma, Qiu-Gang Zong, Jøran Idar Moen, and Li-Dong Xia

PNAS. 2020. 117:16193-16198 DOI: 10.1073/pnas.2000614117