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Branches of Space Sciences

Astronomy

 Fields of astronomy defined by approach  Planetary geology

 Observational astronomy ‒Observatories  Galactic astronomy ‒ the study of our
on the ground as well as space Milky Way galaxy
observatories take measurements of  Extragalactic astronomy ‒ the study
celestial entities and phenomena of the larger universe beyond the
Milky Way
 Astrometry ‒ studies the position and
movements of celestial objects  Physical cosmology ‒ the study of the
Universe as a whole
 Amateur astronomy
 Aerospace engineering
 Theoretical astronomy ‒ mathematical  Astronautics
modelling of celestial entities and  Aeronautics
phenomena
 Space-related interdisciplinary
 Fields of astronomy defined by scope fields[edit]
 Astrophysics ‒ study of the physics of  Astrobiology
the universe; of extraterrestrial objects  Astrobotany
and interstitial spaces
 Astrochemistry or cosmochemistry
 Space plasma physics  Cosmology

 Orbital mechanics or astrodynamics,  Planetary science ‒ overlaps with
which also has applications Earth science
to spacecraft  Micro-g environment research

 Stellar astronomy ‒ the study of stars  Forensic astronomy
 Space archaeology ‒ the study of
 Solar astronomy ‒ the study of our Sun human artifacts in outer space

 Planetary science ‒ the study of planets,  Space medicine
especially those other than Earth  Space architecture

 Archaeoastronomy ‒ the history of
human understanding of the
universe