- Astronomy, Observations and Techniques 7
- Astrophysics and Astroparticles 7
- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 4
- Astrobiology 3
- Cosmology 3
- Astronomy, Astrophysics and Cosmology 1
- Classical and Quantum Gravitation, Relativity Theory 1
- Planetology 1
- Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences 1