Astrophysics Abbreviations and Acronyms
- ORROEOccasional Reports of the Royal Observatory, Edinburgh
- OSOppenheimer and Snyder
- OSSAOffice of Space Science and Applications
- OSTAOffice of Space and Terrestrial Applications
- OTAOptical Telescope Assembly
- OVSObservation of Variable Stars
- OXFOOOxford University Observatory Observations
- OXFOOOxford Universityrsity Observatory Observations
- PAPopular Astronomy
- PAASPublications of The Auerican Astronomical Society
- PAASPublications of The American Astronomical Society
- PABPublications of The Astrojhysics Branch Ottawa
- PABPublications of The Astrophysics Branch Ottawa
- PABEIProgress In Astronomy
- PADEUPublications of The Astronomy Deparment of The Eotvos Lorand University
- PADEUPublications of The Astronomy Deparment of The Eotvos Lorand Universityrsity
- PAHPolycyclic Aromatic Hydrocarbon
- PAIBPublications of The Astronomy Institute of Bonn
- PAIBPublications of The Astronomy Institutetute of Bonn
- PAICUPublications of The Astronomical Institute of The Charles University
Last updated: — Total entries: 829