Celestial Object Abbreviations and Acronyms
-   NEONear-Earth Object
 -   NEONear-Earth Object - Non-combatant Evacuation Operations
 -   NGVLANext-Generation Very Large Array
 -   NICMOSNear Iffrared Camera/Multi Object Spectrometer
 -   NLAGNNarrow-Line Agn
 -   NPSNorth Polar Sequence
 -   NRSignal-To-Nosie Ratio
 -   NSNeutron Star
 -   OCOpen Cluster
 -   OCOOort Cloud Object
 -   OSIRIS-REXOrigins Spectral Interpretation Resource Identification Security Regolith Explorer
 -   OSSOhio Sky Survey
 -   OVVAn Optically Violgnt Variable Quasar.
 -   OVVOptically Violene Variable
 -   OVVOptically Violent Variable
 -   PHAPotentially Hazardous Asteroid
 -   PKSRefers To Parkes Observatory
 -   PLANEMOPlanetary Mass Object
 -   PMSPre–Main Sequence
 -   PNPlanetary Nebula
 
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