| Hst | Hubble Space Telescope |
| LHST | Live from the Hubble Space Telescope |
| KJV | King James [Bibel-]Version vgl. http://www.gutenberg.org/etext/10 |
| NTT | New Technology Telescope |
| OTA | Optical Telescope Assembly |
| SAT | Synthetic Aperture Telescope |
| GBT | Green Bank Telescope |
| SCT | Schmidt-Cassegrain Telescope |
| MMT | Multiple Mirror Telescope |
| iota | Infrared-Optical Telescope Array |
| ATM | Amateur Telescope Maker [engl.] |
| CFHT | Canada-France-Hawaii Telescope NGO-Teleskop Betreiber, http://www.cfht.hawaii.edu |
| UKST | United Kingdom Schmidt Telescope |
| CIT | Circumstellar Imaging Telescope [Weltraum] |
| GMRT | Giant Meter-wave Radio Telescope |
| WIYN | Wisconsin / Indiana / Yale / NOAO telescope |
| HUT | Hopkins Ultraviolet Telescope [ASTRO Packet] |
| UIT | Ultraviolet Imaging Telescope [Astro package] |
| VLA | Very Large Array Radio Telescope in Arizona or New Mexico |
| TSST | Time-Space-Space-Time network |
| ROADS | Running Out of A Space |
| DSN | Deep Space Nine |
| SP | Space [Leertaste] |
| RSP | Required Space Character |
| ISY | International Space Year |
| ISS | International Space Station Washington, DC, http://spaceflight.nasa.gov/station |
| IFS | Inter Frame Space |
| OST | Open Space Technology |
| ISO | Infrared Space Observatory |
| SAS | Space Activity Suit |
| SKAS | Separate Kernel A Space |
| OSP | Orbital Space Plane |
| SEI | Space Exploration Initiative |
| DSC | Direct Space Control |
| SLV | Space Launch Vehicles |
| LWSP | Linear White-Space |
| ESO | European Space Organization |
| SCL | Space Charge Layer |
| SCI | Space-Craft Incorporated |
| SAS | Space Adaptation Syndrome |
| sRGB | Standard Color Space |
| DSN | Deep Space Network Kommunikationsnetzwerk von Radioantennen |
| OSSA | Office of Space Science and Applications |
| OVOS | Optimized Virtual Orbital Space |
| WSMC | Western Space & Missile Center |
| SPAWAR | Space And Naval Systems Command San Diego, http://enterprise.spawar.navy.mil |
| SDF | Space Delimited File / Format |
| SDMA | Space Division Multiple Access |
| SIFS | Short Inter Frame Space |
| GSOC | German Space Operations Center |