| Acronym | Meaning |
 | CERES | Clouds And Earth's Radiant Energy System |
| UVPI | Ultraviolet Plume Instrument |
| SAM | Shuttle Activation Monitor |
| HF | High Frequency |
| CIT | Circumstellar Imaging Telescope |
| HLV | Heavy Lift Vehicle |
| AEPI | Atmospheric Emissions Photometric Imaging |
| GRU | Glavnoye Razvedivatel'noye Upravileniye |
| MPEC | Multi-Purpose Experiment Canister |
| AGB | Asymptotic Giant Branch |
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