Astronomy Abbreviations and Acronyms

1. S
   Spiral (for Galaxies)
2. SAL
   Space Astronomy Laboratory (Univ. Wisconsin, Madison WI)
3. SAR
   Search and Rescue
4. SAR
   synthetic aperture radar (satellite)
5. SAR
   Software Analysis Room
6. SAR
   Synthetic Aperture Radar
7. SAT
   Synthetic Aperture Telescope
8. SCR
   SuperCOSMOS-RECONS
9. SET
   Science, Engineering and Technology
10. SIS
    Superconductor-Isolator-Superconductor
11. SIS
    SETI (Search for Extra-Terrestial Intelligence) Intercept System
12. spT
    South Pole Telescope
13. STR
    Star Tracker
14. STR
    Software Test Report
15. STR
    Science Tape Recorder
16. USP
    United States Pharmacopeia
17. ACK
    acknowldgement message
18. ADU
    Astronomical Distance Unit
19. ALS
    Advanced Launch System
20. AMU
    Atomic Mass Unit

Last updated: August 3, 2021 — Total entries: 5,938