Subject
- infrared sources11
- magellanic clouds11
- chemical abundances10
- infrared photometry10
- redshifted / redshift10
- co line emission9
- active galactic nuclei8
- diffuse molecular clouds7
- galaxy planes7
- galaxy rotation6
- h ii regions6
- apparent magnitude5
- infrared astronomy5
- line intensities4
- ultraviolet photometry4
- astronomical object identification3
- galaxy kinematics3
- interferometry3
- intergalactic medium3
- absolute magnitude2
