| Acronym | Meaning |
 | SEPAC | Space Experiments With Particle Accelerators |
| NRSC | National Remote Sensing Centre |
| AIPS | Astronomical Image Processing System |
| HCMM | Heat Capacity Mapping Mission |
| ADS | Astrophysical Data System (at Havard-Smithsonian CfA) |
| ARTEMIS | Advanced Relay TEchnology MISsion |
| FITS | Flexible Image Transport System |
| VEEGA | Venus-Earth-Earth Gravity Assist |
| ASI | Agenzia Spaziale Italiano |
| EGRET | Energetic Gamma Ray Experiment Telescope |
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