... Title page . ... This service is divided into four sections (Plasma physics, Regions of interest, Phenomena of interest, Space physics instrumentation and analysis methods) and Appendices, each of which contain several pages. ... Space physics studies Sun (and its extension, the solar wind) and all planets with plasma environments, including Earth. ... Geomagnetic activity . ... For us living at high latitudes, the most remarkable plasma phenomena are the auroras relating to geomagnetic activity. ...