- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 16
- Astrophysics and Astroparticles 12
- Aerospace Technology and Astronautics 8
- Planetology 8
- Atmospheric Sciences 5
- Astrobiology 1
- Astronomy, Astrophysics and Cosmology 1
- Astronomy, Observations and Techniques 1
- Atomic, Molecular, Optical and Plasma Physics 1
- Atoms and Molecules in Strong Fields, Laser Matter Interaction 1
- Classical Electrodynamics 1
- Cosmology 1
- Plasma Physics 1
- Quantum Gases and Condensates 1