This forum is dedicated to Astronomy and all of it's branches:
Astrometry, Astrophysics, Cosmology, Galaxy evolution, Galactic & Extragalactic Astronomy, Stellar Astronomy, Planetary Sciences, Astrobiology, Archaeoastronomy, Astrochemistry, Astrosociobiology, Spherical triangulation etc.
Astrobiology - the study of the advent and evolution of biological systems in the universe.
Astrometry - the study of the position of objects in the sky and their changes of position. Defines the system of coordinates used and the kinematics of objects in our galaxy.
Astrophysics - the study of physics of the universe, including the physical properties (luminosity, density, temperature, chemical composition) of astronomical objects.
Cosmology - the study of the origin of the universe and its evolution. The study of cosmology is theoretical astrophysics at its largest scale.
Galaxy formation and evolution - the study of the formation of the galaxies, and their evolution.
Galactic astronomy - the study of the structure and components of our galaxy and of other galaxies.
Extragalactic astronomy - the study of objects (mainly galaxies) outside our galaxy.
Stellar astronomy - the study of the stars.
Stellar evolution - the study of the evolution of stars from their formation to their end as a stellar remnant.
Star formation - the study of the condition and processes that led to the formation of stars in the interior of gas clouds, and the process of formation itself.
Planetary Sciences - the study of the planets of the Solar System.
Other disciplines that may be considered part of astronomy:
Archaeoastronomy
Astrochemistry
Astrosociobiology
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