| Acronym | Meaning |
 | RG | Red Giant |
 | MS | Main Sequence |
 | IPMP | Investigations Into Polymer Membrane Processing |
 | ESRO | European Space Research Organisation |
 | DM | Dark Matter |
 | MACS | Modular Attitude Control System |
 | AEPI | Atmospheric Emissions Photometric Imaging |
 | SSI | Solid-State Imager / Space Studies Institut |
 | POP | PO Polyot |
 | IR | InfraRed |