| Acronym | Meaning |
| EOS | Electrophoresis Operations In Space |
| PDRS | Payload Deployment And Retrieval System |
| DPSS | DATA Processing Services Subsystem |
| JD | Julian Date; Julian Day (Number) |
| HB | Horizontal Branch |
| SPS | Solar Power Satellite |
| AAO | Anglo-Australian Observatory |
| LPV | Long Period Variable |
| AVHRR | Advanced Very High Resolution Radiometer |
| FGS | Fine Guidance Sensors |