| Acronym | Meaning |
![](file.png) | CM | Center Of Mass |
![](file.png) | MET | Mission Elapsed Time |
![](file.png) | ACE | Advanced Composition Explorer |
![](file.png) | E | Elliptical (for Galaxies) |
![](file.png) | CERES | Clouds And Earth's Radiant Energy System |
![](file.png) | ESTEC | European Space Research And Technology Centre |
![](file.png) | HH | Hitchhiker |
![](file.png) | WUPPE | Wisconsin Ultraviolet PhotoPolarimter Experiment |
![](file.png) | ZHR | Zenith Hourly Rate |
![](file.png) | CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |