Subject
- astronomy-software3
- astrophysical-masers3
- asymptotic-giant-branch-stars3
- blazars3
- constellations3
- disk-galaxies3
- dwarf-galaxies3
- early-type-galaxies3
- galaxy-distances3
- galaxy-planes3
- hertzsprung-russell-diagram3
- interstellar-extinction3
- interstellar-medium3
- luminosity-function3
- ob-stars3
- observatories3
- post-asymptotic-giant-branch-stars3
- radial-velocity3
- stellar-kinematics3
- stellar-properties3