| Acronym | Meaning |
 | ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS) |
| NESDIS | National Environmental Satellite |
| TIROS | Television InfraRed Observation Satellite (POES) |
| PPM | Part Per Million |
| DXS | Diffuse X-ray Spectrometer |
| ESSP | Earth System Science Pathfinder Mission (ESSP) |
| EDC | EROS Data Center |
| MSLP | MSL Pressure |
| OSSE | Office Of Space Science Education (SSEC) |
| SAFIRE | Spectroscopy Of The Atmosphere Using Far InfraRed Emission |
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