Astronomy Abbreviations and Acronyms

1. POSSUM
   Polarisation Sky Survey of The Universe'S Magnetism
2. POTS
   Physics of The Sun
3. POVRO
   Publications of The Owens Valley Observatory
4. POWER
   Protecting Our Workers and Ensuring Reemployment Presidential Initiative
5. PPAC
   Prospective Payment Assessment Commission
6. PPARC
   Particle Physics and Astronomy Research Council
7. PPARC
   Particle Physics and Astronomy Research Councils
8. PPCAS
   Publication of The Pomona College Astronomical Society
9. PPF
   Payload Processing Facility (USAF)
10. PPF
    Columbus Polar Platform
11. PPM
    Parts Per Million
12. PPM
    Positions and Proper Motions (catalog)
13. PPMTO
    Publicaoions of The Purple Mountain Observatory
14. PPMTO
    Publications of the Purple Mountain Observatory
15. PPN
    Proto-Planetary Nebula
16. PPO
    Preferred Provider Organization
17. PPQA
    Pre-Product Quality Assurance
18. PPRC
    Physician Payment Review Commission
19. PR
    Public Relations
20. PR
    Problem Report

Last updated: August 3, 2021 — Total entries: 5,938