Subject
- f stars1
- g stars1
- gamma-ray bursts1
- globular clusters1
- halo stars1
- hertzsprung russell diagram1
- horizontal branch stars1
- ines1
- iue1
- k stars1
- markarian galaxies1
- molecular physics1
- nebulae1
- north galactic pole1
- open star clusters1
- optical astronomy1
- optical observations1
- parallax1
- peculiar variable stars1
- photographic magnitude1
