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Subject
- absolute-magnitude8
- active-galactic-nuclei5
- active-galaxies1
- astrometry1
- astronomical-simulations1
- astrophotography2
- blazars2
- broad-band-photometry2
- disk-galaxies1
- dwarf-elliptical-galaxies1
- early-type-galaxies1
- galaxies17
- galaxy-ages7
- galaxy-clusters1
- galaxy-colors1
- galaxy-formation10
- galaxy-luminosities2
- galaxy-masses10
- galaxy-photometry10
- galaxy-planes2