| Acronym | Meaning |
 | RASC | Royal Astronomical Society Of Canada |
| PCG | Protein Crystal Growth Experiment |
| GOMR | Global Ozone Monitoring Radiometer |
| SDSS | Sloan Digital Sky Survey |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| ZHR | Zenith Hourly Rate |
| SSPO | Space Shuttle Program Office |
| IGBP | International Geosphere/Biosphere Programme |
| DACS | DATA Acquisition And Control Subsystem |
| GGM | Goskogidromet/Gidromettsentr |
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