The Solar-Terrestrial Physics Division (former Geophysical/Geomagnetic Division) continues the geomagnetic research field started by H.C.Ørsted. This research field was affiliated the Danish Meteorological Institute from its start in 1872. Later, the auroral and ionospheric research fields, mainly based on observations from Greenland, were associated to the geomagnetic research division. The solar-terrestrial research at DMI has now developed into modern Space Research which, in addition to the theoretical Space Physics, comprises a range of geophysical observations from an extended net of stations in Denmark and Greenland and participation in satellite experiments like, for instance, the Ørsted geomagnetic research satellite. The primary aim of the research is to provide information and knowledge of the effects of the Solar magnetic activity, like solar flares and solar wind disturbances, on the Earth's environment and climate.