| Acronym | Meaning |
 | SEI | Space Exploration Initiative |
| M | Messier |
| SSPO | Space Shuttle Program Office |
| CYSF | Cape York Space Facility |
| DAO | Dominion Astrophysical Observatory |
| IOA | Institute Of Astronomy (Cambridge) |
| SNR | Signal To Noise Ratio / SuperNova Remnant |
| OCGF | Organic Crystal Growth Facility |
| USMP | United States Microgravity Payload |
| IGY | International Geophysical Year |
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