Astronomy Abbreviations and Acronyms
- RADFXSATRadiation Effects Satellite
- RADOSERadiation Dosimeter Experiment
- RAERadio Astronomy Explorer
- RAERange, Azimuth and Elevation
- RAGRadio Astronomy Group
- RALRadio Astronomy Laboratory
- RALPHReduction and Acquisition of Lunar Pulse Heights
- RAMrandom-access memory
- RAMBOAn Association of Brown Dwarfs Or White Dwaffs Form A Dark Cluster
- RAMBORobust Associations of Massive Baryonic Objects
- RAMBOSRobust Associations of Massive Baryonic Objects
- RAMPARTRapidprototyped Mems Propulsion and Radiation Test
- RAMSReliability Availability, Maintainability and Safety
- RANGERanging and Nanosatellite Guidance Experiment
- RAPSradiologists, anesthesiologists, and pathologists
- RAPSRegulatory Affairs Professional Society
- RAPTReynolds Amateur Photometry Team
- RAPTORRapid Telescopes for Optical Response Project
- RARRange Ambiguity Ratio
- RASRoyal Astronomical Society
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