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Outline of space science

The following outline is provided as an overview of and topical guide to space science:
Space science encompasses all of the scientific disciplines that involve space exploration and study natural phenomena and physical bodies occurring in outer space, such as space medicine and astrobiology."Space science – Definition of space science", Free Online Dictionary, Thesaurus and Encyclopedia
The following outline is an overview of and topical guide to space science:
Astronomy
Outline of astronomy
Fields of astronomy defined by approach
Observational astronomy – Observatories on the ground as well as space observatories take measurements of celestial entities and phenomena
Astrometry – studies the position and movements of celestial objects
Amateur astronomy
Theoretical astronomy – mathematical modelling of celestial entities and phenomena
Fields of astronomy defined by scope
Planetary geology
Galactic astronomy – the study of our Milky Way galaxy
Extragalactic astronomy – the study of the larger universe beyond the Milky Way
Physical cosmology – the study of the Universe as a whole
Aerospace engineering
Astronautics
Aeronautics