Subject
- catalogs1
- dwarf stars1
- dwarf-galaxies1
- effective temperature1
- galactic center1
- galaxy kinematics1
- gravitational lensing1
- intergalactic medium1
- m stars1
- magnetic-fields1
- morgan-keenan classification1
- narrow band photometry atomic spectroscopy1
- nebulae1
- o stars1
- ob stars1
- observational astronomy1
- radial velocity1
- seyfert galaxies1
- small-magellanic-cloud1
- solar system1
