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Subject
- galaxies[remove]6
- astronomy4
- astrophysics4
- catalogs4
- catalogues4
- infrared4
- spectra4
- infrared sources3
- planetary nebulae2
- galactic plane1
- galaxies: evolution1
- galaxies: formation1
- galaxies: luminosity function1
- large-scale structure of universe1
- mass function1
- milky way galaxy1
- radio astronomy1
- sources1
- star-forming regions1
- stars1
