| Acronym | Meaning |
 | ESSA | Environmental Science Services Administration (preceded NOAA) |
| SSEC | Space Science And Engineering Center |
| CSBT | Clear-Sky Brightness Temperature |
| MISR | Multi-angle Imaging Spectro-Radiometer (EOS) |
| ESSP | Earth System Science Pathfinder Mission (ESSP) |
| BIBEX | Biomass Burning Experiment |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| HST | Hubble Space Telescope |
| ESE | Earth Science Enterprise (NASA) |
| NESDIS | National Environmental Satellite |
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