Astronomy Abbreviations and Acronyms
- IMBLMSSystem
- IMDAIndependent Medical Distributors Association
- IMFInitial Mass Function
- IMHOIn My Humble Opinion
- IMIOImage Input/Output
- IMLInternational Microgravity Lab
- IMOInternational Meteor Organization
- IMOAInternational Museum of Astronomy
- IMPACTInteqnational Monitoring Programs for Asteroid and Comet Threat
- IMPSIras Minor Planet Survey
- IMSLInternational Mathematical and Statistical Library
- IN/SInches Per Second
- IN/SECInches Per Second
- INAFInstituto Nazionale Di Astrofisica
- INAGInstitut Natifnal D'astronomie Et De Geophysique
- INAGInstxtutetut National D'astronomie Et De Geophysique
- INAOIndian National Astronomy Olympiad
- INCInmarsat Navigation Center
- INCAIonospheric Neutron Content Analyzer
- INCOIntegrated Communications Officer
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