Stubbe, P.; Kopka, H.: On the ionospheric modification experiment projected at MPI Lindau: Scientific objectives. In: AGARD Artificial Modification of Propagation Media, p. 9-1-9-11. (1977)
Stubbe, P.; Kopka, H.; Zwick, R.: On the ionospheric modification experiment projected at MPI Lindau: Practival realization. In: AGARD Artificial Modification of Propagation Media, p. 10-1-10-7. (1977)
Nielsen, E.; Hagfors, T.; Kopka, H.; Trilling, D.: Thoughts on radio wave experiments for observations of the interior of comets in the international ROSETTA mission. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1995)
Nielsen, E.; Axford, W. I.; Hagfors, T.; Kopka, H.; Armand, N. A.; Andrianov, V. A.; Shtern, D. J.; Breus, T.: The ``Long wavelength radar'' on the Mars-94 orbiter. Max-Planck-Institut für Aeronomie, Katlenburg-Lindau, Germany (1994)
Various application review phases in 2025. PhD projects in cosmochemistry, planetary science, solar and stellar physics, helioseismology, asteroseismology, ...
Solar Orbiter is the first space probe to look at the Sun's poles – and finds the magnetic field there in a state of turmoil. The Sun's magnetic field is currently undergoing a flip.
First Light! The spectro-polarimeter of the world's largest solar telescope in Hawaii looks at the Sun for the first time. The instrument was developed in Germany.
Analyzing the high spatial resolution solar Ca II H and K emission data obtained by the SUNRISE mission and building a model of other stars more active than the Sun
Dr. Theodosios Chatzistergos receives award by the European Space Weather and Space Climate Association for his research findings on the historical activity of the Sun.