Heli Hietala, Imperial College London, London, United Kingdom; University of Turku, Turku, Finland, Vadim Roytershteyn, Space Science Institute, Boulder, CO, United States, Yuri Omelchenko, UCSD, San Diego, CA, United States, Terry Zixu Liu, University of California Los Angeles, Los Angeles, CA, United States and Ferdinand Plaschke, IWF ÖAW, Graz, Austria