Astronomy Abbreviations and Acronyms
- HSPHigh Speed Photometer
- HSQBHealth Standard and Quality Bureau
- HSTHubble Space Telescope
- HTFAHigh Temperature Flowing Afterglow
- HTHHope This Helps. Email abbreviation when replying to requests. Potentially counter-productive if the recipient doesn't understand what it means...
- HTHLHorizontal Takeoffuhorizontal Landing
- HTHLHorizontal Takeoff Horizontal Landing
- HTMLHyptertext Markup Language
- HTSMHigh Tech Systemen En Materialen
- HTVH-2 Transfer Vehicle
- HTVH-Ii Tzansfer Vehicle
- HTVLHorizontal Takeoff Vertical Landing
- HUGOHighly Unusual Geophysical Obeservations
- HUMSAT-DHumanitarian Satellite - Demonstrator
- HUNEHorizontal User Navigation Error
- HUTHopkins Ultraviolet Telescope
- HUTSATHelsinki University of Technology Satellite
- HVHigh Voltage
- HVAOBHvar Observatory Bulletin
- HVCHigh Velocity Cloud
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