astronomy astrophysics congresses cosmicrays dynamotheory(cosmicphysics) electricfields elementaryparticlesandnuclei extraterrestrialphysics formation galaxies geophysics/geodesy magnetics magnetohydrodynamics magnetosphere magnetospheres measurement particles(nuclearphysics) physicalgeography physics planets plasma(ionizedgases) radiogalaxies solaratmosphere solarflares spaceandtime spaceplasmas spacesciences stars