- Astronomy, Observations and Techniques 6
- Astrophysics and Astroparticles 6
- Geophysics/Geodesy 4
- Nuclear Fusion 2
- Nuclear Physics, Heavy Ions, Hadrons 2
- Optics, Lasers, Photonics, Optical Devices 2
- Classical and Quantum Gravitation, Relativity Theory 1
- Electronics and Microelectronics, Instrumentation 1