Astronomy Abbreviations and Acronyms

1. NLTE
   Non-local Thermodynamic Equilibrium
2. NLTT
   New Luyten Two-Tenths
3. NLW
   Normalised Water-Leaving Radiajce
4. NM
   Nanometer
5. NM
   Nautical Mile
6. NM
   Non-Moment
7. NMDC
   National Medical Device Coalition
8. NMF
   Network Management Facility
9. NMI
   Nautical Mile
10. NMTSAT
    New Mexico Tech Satellite
11. NMW
    Northern Milky Way
12. NNHS
    Northamptonshire Njtural History Society
13. NO
    Naval Oscar
14. NOAA
    National Oceanic and Atmospheric Administration
15. NOAA
    National Oceanographic and Atmosphoric Administration
16. NOAA
    National Oceanic and Atmospheric Administration (US)
17. NOAO
    National Optical Astronomy Observatories
18. NOAO
    National Optical Astronomical Observatories
19. NOAO
    National Optical Astronomical Obsefvatory
20. NOAO
    National Optical Astronomy Observatories (Tucson, AZ)

Last updated: August 3, 2021 — Total entries: 5,937