| Acronym | Meaning |
 | OSSE | Office Of Space Science Education (SSEC) |
| CFC | ChloroFluoroCarbon |
| NCAR | National Center For Atmospheric Research |
| SSEC | Space Science And Engineering Center |
| ADEOS | ADvanced Earth Observing Satellite (Japan) |
| HST | Hubble Space Telescope |
| RAOB | RAdiosonde OBservation |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| KM | Kilometer |
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