| Acronym | Meaning |
 | VISSR | Visible/Infrared Spin-Scan Radiometer |
| FRED | Space Station Freedom |
| OTFE | Oscillatory Thermocapillary Flow Experiment |
| PN | Planetary Nebula |
| MOMS | Modular Optoelectronic Multispectral/Stereo Scanner |
| LH | Liquid Hydrogen |
| ISAS | Institute Of Space AND Astronautical Science |
| S | Spiral (for Galaxies) |
| LEST | Large Earth-based Solar Telescope |
| PPF | Columbus Polar Platform |
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