astronomy
951 abbreviations
| Abbreviation | Meaning | |
|---|---|---|
| SRON | (organization) Space Research Organization of the Netherlands | |
| SS | (celestial object) Symbiotic Star, a type of binary star system containing a red giant and a hot dwarf star that generate a cone-shaped nebula | |
| SSI | (instrumentation) Solid-State Imager, an instrument on the Galileo spacecraft | |
| SSI | (organization) Space Studies Institute | |
| SSP | (instrumentation) Surface Science Package, on board the Huygens probe | |
| SSS | (observing program) SuperCOSMOS Sky Surveys | |
| SSSPM | (catalog) SuperCOSMOS Sky Survey Proper Motion | |
| SST | (telescope) Spectroscopic Survey Telescope | |
| SST | (telescope) Spitzer Space Telescope, a space telescope | |
| STEPS | (observing program) STEllar Planet Survey | |
| STIS | (instrumentation) Space Telescope Imaging Spectrograph, an instrument on the Hubble Space Telescope | |
| STS | (vehicle) Shuttle Transport System or Space Transportation System | |
| STScI | (organization) Space Telescope Science Institute | |
| STSDAS | (software) Space Telescope Science Data Analysis System | |
| SUGRA | (astrophysics terminology) SUperGRAvity | |
| SUPRIME | (instrumentation) SUbaru PRIME focus CAMera, an instrument on the Subaru Telescope | |
| SUSI | (telescope) Sydney University Stellar Interferometer, an optical interferometer | |
| SWAN | (instrumentation) Solar Wind ANisotropy, an instrument on SOHO | |
| SWAS | (telescope) Submillimeter Wave Astronomy Satellite, a submillimeter space telescope | |
| SWEEPS | (observing program) Sagittarius Window Eclipsing Extrasolar Planet Search, a survey of a subsection of the plane of the Milky Way performed with the Hubble Space Telescope | |
| SWIRE | (observing program) Spitzer Wide-area InfraRed Extragalactic survey | |
| SwRI | (organization) Southwest Research Institute | |
| SXARI | (celestial object) SX ARIetis, a class of rotating variable stars named after SX Arietis, the archetype for the class | |
| SXPHE | (celestial object) SX PhoEnicis, a class of pulsating variable stars named after SX Phoenicis, the archetype for the class | |
| TAC | (organization) Time Allocation Committee or Telescope Allocation Committee, a general name for a committee that awards telescope observing time | |
| TAC | (catalog) Twin Astrograph Catalog | |
| TAI | (astrophysics terminology) International Atomic Time | |
| TAMS | (astrophysics terminology) Terminal-Age Main Sequence, stars at the point in their lifetimes where they have finished burning hydrogen in their cores | |
| TAROT | (telescope) Télescope à Action Rapide pour les Objets Transitoires | |
| TASS | (observing program) The Amateur Sky Survey | |
| TAU | (spacecraft) Thousand Astronomical Unit, a spacecraft mission proposed in the 1980s that would reach 1000 AU in 50 years | |
| TCB | (astrophysics terminology) Barycentric Coordinate Time | |
| TCG | (astrophysics terminology) Geocentric Coordinate Time | |
| TDB | (astrophysics terminology) Barycentric Dynamical Time | |
| TDRSS | (communications network) Tracking and Data Relay Satellite System, an array of satellites used by NASA to communicate with many spacecraft in low Earth orbit | |
| TDT | Terrestrial Dynamical Time | |
| TEP | (organization) Transits of Extrasolar Planets | |
| TES | (instrumentation) Thermal Emission Spectrometer, a spectrometer on the Mars Observer | |
| TGF | (celestial object) Terrestrial gamma-ray flash, gamma rays emitted from Earth's lightning storms | |
| THEMIS | (instrumentation) Thermal Emission Imaging System, a camera on the Mars Odyssey spacecraft | |
| TIC | (catalog) Tycho Input Catalog, a predecessor of the Hipparcos Input Catalog | |
| TIE | (organization) Telescopes In Education | |
| TIMED | (spacecraft) Thermosphere Ionosphere Mesosphere Energetics and Dynamics | |
| TIR | (astrophysics terminology) Total InfraRed | |
| TLP | (astrophysics terminology) Transient Lunar Phenomenon, an unexplained flash of light observed from the Moon | |
| TMC | (celestial object) Taurus Molecular Cloud | |
| TMT | (telescope) Thirty Meter Telescope, formerly known as California Extremely Large Telescope | |
| TN | (person) Telescope Nut, nickname for an amateur telescope maker | |
| TNO | (celestial object) Trans-Neptunian Object, any object that orbits the Sun at a distance greater than that of Neptune | |
| TO | (person) Telescope Operator, the technician who assists in operating a telescope during astronomical observations |