- Astrometry--Congresses (18)
- Astronomical spectroscopy--Congresses (2)
- Astrophysics--Congresses (2)
- Interferometry--Congresses (2)
- Photometry, Astronomical--Congresses (2)
- Space astronomy--Congresses (2)
- Very long baseline interferometry--Congresses (2)
- Astrolabes--Congresses (1)
- Astronomy--Charts, diagrams, etc.--Congresses (1)
- Astronomy--Remote sensing--Congresses (1)
- Astrophysics--Technique--Congresses (1)
- B stars--Congresses (1)
- Be stars--Congresses (1)
- Black holes (Astronomy)--Congresses (1)
- Celestial mechanics--Congresses (1)
- Early stars--Congresses (1)
- Fluid dynamics--Congresses (1)
- GAIA (Artificial satellite)--Congresses (1)
- Galaxies--Congresses (1)
- General relativity (Physics)--Congresses (1)
- Geodesy--Congresses (1)
- Geodynamics--Congresses (1)
- Geophysics--Congresses (1)
- Global Astrometric Interferometer for Astrophysics (GAIA)--Congresses (1)
- Hipparcos (Artificial satellite)--Congresses (1)
- Moon--Congresses (1)
- Nonlinear theories--Congresses (1)
- Parallax--Observations--Congresses (1)
- Planetary nebulae--Congresses (1)
- Radio astrophysics--Congresses (1)
- Refraction, Astronomical--Congresses (1)
- Space astronomy--Instruments--Congresses (1)
- Space optics--Congresses (1)
- Stars--Spectra--Congresses (1)
- Transit-circle--Congresses (1)