Portal:Astronomy/Categories
Astronomy : Archaeoastronomy – Astronomical coordinate systems – Astrophysics – Calendars – Catalogues – Celestial mechanics – Citizen science – Cosmology – Images – Large-scale structure of the cosmos – Observatories – Planetary science – Telescopes – Universe
Biographies : Astronomers – Other people – Amateur Astronomers
Astronomical objects : Lists – Galaxies – Nebulae – Planets – Stars
Spaceflight : Human spaceflight – Satellites – SETI – Spacecraft