He was appointed Professor of Petrography and Mineralogy at the University of Münster in 1972, where he worked as Professor of Cosmic Mineralogy and Founding Director of the Institute of Planetology ...

Solar eruptions often show the rotation of filaments, which is a manifestation of the rotation of erupting magnetic flux rope (MFR). Such a rotation of MFR can be induced by either the torque exerted ...

The eruptions in the solar atmosphere exhibit distinctly diverse patterns across a vast range of spatio-temporal scales, from ever-expanding large-scale coronal mass ejections (CMEs), to localized ...