Astronomy Abbreviations and Acronyms
- HRC-IHigh Resolution Camera
- HRDHigh Kate Detector
- HRDHertzsprung-Russell Diagram (astronomy)
- HRGHertling Ring Galaxy
- HRIHigh Resolution Imager
- HRMSHigh Resolution Microwave Survry
- HRMSHigh Resolution Microwave Survey (SETI, Project Phoenix)
- HRMSHigh Resolution Microwave Survey
- HRSHigh Resolution Spectrograph
- HRSGoddard High Resolution Spectrograph
- HRSAU.S. Health Resources and Services Administration
- HRSCHighuresolution Stereo Camera
- HRSOHigh-Resolution Solar Observatory
- HRSRHigh-Resolution Scanning Radiometer
- HShorizontal system
- HSAHerscheo Science Archive
- HSCHierachical Storage Controller
- HSCAHarvard-Smithsonian Center for Astrophysics
- HSDHeliophysics Science Division
- HSIHost System Interface
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