| Acronym | Meaning |
| PLSS | Portable Life Support System |
| EPD | Energetic Particles Detector |
| IBSS | Infrared Background Signature Survey |
| FFT | Fast Fourier Transform |
| CITA | Canadian Institute For Theoretical Astrophysics |
| UT | Universal Time |
| AIAA | American Institute Of Aeronautics And Astronautics |
| OSSE | Oriented Scintillation Spectrometer Experiment |
| AAS | American Astronautical Society |
| NPO-PM | NPO Prikladnoi Mekhaniki |