Astronomy
Astronomy 52
Broader Terms
- BT↑ Science
More specific terms
- NT2 520 ↓ Astronomy & allied sciences
- NT2 521 ↓ Celestial mechanics
- NT2 522 ↓ Techniques, equipment & materials
- NT2 523 ↓ Specific celestial bodies & phenomena
- NT2 524 ↓ [Unassigned]
- NT2 525 ↓ Earth (Astronomical geography)
- NT2 526 ↓ Mathematical geography
- NT2 527 ↓ Celestial navigation
- NT2 528 ↓ Ephemerides
- NT2 529 ↓ Chronology
- العربية علم الفلك.
- Español Astronomía
- Portugüés Astronomia
- Pусский Астрономия
- ExactMatch: http://dewey.info/class/52/2009/08/about.en
