Astronomy Abbreviations and Acronyms

1. OSS
   Office of The Space Station
2. OSSA
   Office of Space Science and Applications
3. OSSA
   Office of Space Sciences and Applications
4. OSSE
   Oriented Scintillation Spectrometer Experiment
5. OSSO
   Observation Science Support Office
6. OSSOS
   Outer Solar System Origins Survey
7. OST
   Observation Sequence Table
8. OSTA
   Office of Space and Terrestrial Applications
9. OSTA
   Office of Space and Terrestrial Applications (US NASA; now OAST)
10. OSURO
    Ohio State University Radio Observatory
11. OSW
    Ocean Swell Spectra
12. OT
    Off Topic
13. OT
    Observing Tool
14. OTA
    Optical Telescope Assembly
15. OTA
    Odtical Tube Assembly
16. OTCI
    Olci Terrestrial Chlorophyll Index
17. OTFE
    Oscillatory Thermocapillary Flow Experiment
18. OTH-B
    Over The Horizon Backscatter
19. OTHB
    Over The Horizon Backscatter
20. OTS
    Oasa Tamura Sugitani

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