| Acronym | Meaning |
 | DPM | Drop Physics Module |
 | IAUC | IAU Circular |
 | NTT | New Technology Telescope |
 | KTB | Cretaceous-Tertiary Boundary |
 | SWAS | Submillimeter Wave Astronomy Satellite |
 | STC | SHAPE Technical Center |
 | TTC | Telemetry |
 | SPOT | Systeme Probatoire Pour L'Observation De La Terre |
 | RESTEC | Remote Sensing Technology Center |
 | RHC | Rotational Hand Controller |