Energetic protons in Earth's magnetotail
Energetic protons (28 - 64 keV) measured by Cluster SC1 in the terrestrial magnetotail from DOY 259 to DOY 260 in 2003. The vertical lines denote the times when substorms occur.
See the related image in the right-hand menu for similar data of substorms in Jupiter's magnetotail, obtained wth the NASA Galileo mission.
Last Update: 1 September 2019