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Subject
- observational astronomy27
- galaxies10
- optical astronomy10
- galactic and extragalactic astronomy7
- optical astronomy7
- ultraviolet astronomy7
- infrared astronomy3
- galatic evolution2
- star formation2
- and infrared astronomy1
- dark matter1
- extra-galactic stars1
- galactic evolution1
- galaxy evolution1
- galaxy evolution and structure1
- globular clusters1
- interacting galaxies1
- interstellar medium1
- merging galaxies1
- optical1