| Acronym | Meaning |
 | MODIS-N | MODIS-Nadir |
| NSI | NASA Science Internet / NASA Standard Initiator / National Environmental Satellite Data And Information Service |
| DSN | Deep Space Network |
| IOA | Institute Of Astronomy (Cambridge) |
| LEST | Large Earth-based Solar Telescope |
| FIRAS | Far InfraRed Absolute Spectrophotometer |
| UPPP | Union Pour La Promotion De La Propulsion Photonique |
| IMO | International Meteor Organization |
| SIRTF | Space InfraRed Telescope Facility |
| HIRS | High Resolution Infrared Radiation Sounder |
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