Study author
Study author - Prof. Dr. Pavel Kroupa of the Helmholtz Institute of Radiation and Nuclear Physics at the University of Bonn

Links
- https://www.physik-astro.uni-bonn.de/en/news/astronomy-observation-puzzles-researchers/kroupa.jpg/image_view_fullscreen
- https://www.physik-astro.uni-bonn.de/en/news/astronomy-observation-puzzles-researchers/kroupa.jpg/@@download/image/Kroupa.jpg