⊙ 6 Plasmasphere Plasmasphere Storage Ring Extent Extent New Slot Outer Belt Slot Inner Belt Typical 2-Belt Structure New 3-Belt Structure Fig.4.Diagrams providing a cross-sectional view of the Earth's radiation belt structure and relationship to the 詈 plasmasphere.(A)A schematic diagram showing the Earth,the outer and inner radiation belts and the normal plasmaspheric location.(B)Similar to(A)but showing a more highly distended plasmasphere and quite unexpected triple radiation belt properties during the September 2012 period.These diagrams show the highest electron fluxes as white and the lowest fluxes as blue.The radiation belts are really 'doughnut'or torus-shaped entities in three dimensions.The Earth is portrayed at the center.Also shown,as a translucent green overlay in each diagram,is the plasmasphere. Sciencexpress/http://www.sciencemag.org/content/early/recent /28 February 2013/Page 7/10.1126/science.1233518/ http://www.sciencemag.org/content/early/recent / 28 February 2013 / Page 7 / 10.1126/science.1233518 Fig. 4. Diagrams providing a cross-sectional view of the Earth’s radiation belt structure and relationship to the plasmasphere. (A) A schematic diagram showing the Earth, the outer and inner radiation belts and the normal plasmaspheric location. (B) Similar to (A) but showing a more highly distended plasmasphere and quite unexpected triple radiation belt properties during the September 2012 period. These diagrams show the highest electron fluxes as white and the lowest fluxes as blue. The radiation belts are really ‘doughnut’ or torus-shaped entities in three dimensions. The Earth is portrayed at the center. Also shown, as a translucent green overlay in each diagram, is the plasmasphere. on March 6, 2013 www.sciencemag.org Downloaded from