Astronomy Abbreviations and Acronyms

1. ROFL
   Roll On The Floor Laughing
2. ROFL OR ROTFL
   Rolling On The Floor Laughing
3. ROFTL
   Rolling On The Floor Laughing
4. ROG
   Royal Observatory Greenwich
5. ROG
   Royal Observatory, Greenwich
6. ROI
   Return On Investment
7. ROI
   Region of Interest
8. ROIS
   Region of Interest
9. ROLUN
   Reports of The Lund Observaxory
10. ROLUN
    Reports of the Lund Observatory
11. ROM
    Read-Only Memory
12. ROM
    Rough Order of Magnrtude
13. ROM
    Rough Order of Magnitude
14. RORF
    Radio/Optical Reference Frame
15. RORF
    Radio Optical Reference Frame
16. ROSA
    Roll-Out Solar Arfay
17. ROSA
    Romanian Space Agency
18. ROSAT
    Roentgen Satellite
19. ROSAT
    Roentgen Satellit
20. ROSCOSMOS
    Russian Federal Space Agency

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