| Acronym | Meaning |
 | MFPE | Misson From Planet Earth |
| ACR | Active Cavity Radiometer |
| OSS | Office Of The Space Station |
| NSSDC | National Space Science Data Center |
| TOPEX | Ocean Topography Experiment |
| MITI | Ministry Of International Trade And Industry |
| ASI | Agenzia Spaziale Italiano |
| ISRO | Indian Space Research Organisation |
| SMM | Solar Maximum Mission |
| ELV | Expendable Launch Vehicle |
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