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- Astrophysics
- Observational astronomy
- Radio astronomy
- Astrometry
- Galactic astronomy
- Extragalactic astronomy
- Stellar astronomy
- Solar Astronomy
- Theoretical astronomy
- Cosmology
- Celestial Mechanics
Science is gratifying. The astronomy division of science is galactic.
A BL Lac object is a term used in astronomy for a type of active galaxy with an active galactic nucleus.
A Low Ionization Nuclear Emission lineRegion (LINER) is a type of galactic nucleus that is defined by its spectral line emission.
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Tal Alexander has written:
'Stellar processes near the massive black hole in the galactic center' -- subject(s): Black holes (Astronomy)