Professor Emeritus Jørgen Christensen-Dalsgaard has been appointed by the European Astronomical Society to hold the Lodewijk Woltjer Lecture in…

Two astronomers, Cameron Lemon and Nikki Arendse, from the Swedish Oskar Klein Centre, have produced this video from the Nordic Optical Telescope,…

Collisional secondary ionization is found to be more efficient than the direct process.

In collaboration with a group of researchers from IFA and…

ESAs astrometric satellite Gaia has confirmed the existence of an exoplanet for the first time. The discovery is published on 4 February 2025 in a…

A new paper to-day in Nature Communications based on asteroseismoligy indicates this. IFA's Jørgen Christensen-Dalsgaard is co-author.