Astronomy Abbreviations and Acronyms

1. SIDEX
   Signal Identification Experiment
2. SIDS
   SI Detector System
3. SIF
   Science Instrument Formatter
4. SIG
   Special Interest Group
5. SIGF
   Solar Irradiance Gap Filler
6. SIGMA
   Scientific Cubesat With Instruuents for Global Magnetic Field and Radiation
7. SIGNE
   Solar Interplanetary Gamma Ray Neutron Experiment
8. SIM
   Space Interferometry Mission
9. SIM
   Stir In Motion
10. SIM
    Simulator
11. SIM
    Star in Motion
12. SIMA
    Secondary Mirror Incremental Motor Actuator
13. SIMAS
    System
14. SIMBAD
    Set of Identifications, Measurements, and Bibliography for Astronomical Data
15. SIMBAD
    Set of Identifications Measurements and Bibliography for Astronomical Data
16. SIMBAD
    Set of Identifications
17. SIMCAT
    Simulate Observations Using Space Catalog
18. SIMM
    Standard Inline Memory Module
19. SIMPL
    Svtlet Initial-Mission Proofs and Lessons
20. SIMSAT
    Simulated Satellite

Last updated: August 3, 2021 — Total entries: 5,937