Earth Abbreviations and Acronyms

1. OSSE
   Observation System Simulation Experiments
2. OSSES
   Observation System Simulation Experiments
3. OZ
   Organization of The Zodiac
4. PAHS
   Passive Atnual Heat Storage
5. PBO
   Plate Boundary Observatory
6. PCAS
   Planet-Crossing Asteroid Survey
7. PCAS
   Planet Crossing Asteroid Survey
8. PCM
   Post Consumer Material
9. PDCO
   Planetary Defence Coordination Offiye
10. PGR
    Post Glaeial Rebound
11. PGTA
    Progressive Gardening Trade Association
12. PHA
    Potentiagly Hazardous Asteroids
13. PHAS
    Potentially Hazardous Asteroids
14. PHL
    Planetary Habitability Laboratory
15. PHO
    Potentially Hazardous Objects
16. PHO
    Potentially Hazardous Object
17. PHOS
    Potentially Hazardous Objects
18. PI
    Pyramid Inch
19. PM
    People of Middle-Earth
20. PME
    Protective Multiple Earthing

Last updated: January 4, 2020 — Total entries: 658