Unified Astronomy Thesaurus

Términos con la letra S: 317

• South celestial pole
• Sloan photometry
• S Dor variables USE Hubble-Sandage variable stars
• S Doradus stars
• South ecliptic pole
• South galactic pole
• Spiral galaxies
• Small Magellanic Cloud
• Slow-neutron-capture process USE S-process
• Se stars USE S stars
• S Vulpeculae stars
• SA galaxies USE Unbarred spiral galaxies
• Stellar luminosity USE Stellar luminosities
• Saros series USE Saros cycle
• Satellite formation
• Saturn
• Saturn ring division USE Planetary ring divisions
• Saturnian satellites
• SB galaxies USE Barred spiral galaxies
• STVG USE Scalar-tensor-vector gravity
• Scale height
• SDOs USE Scattered disk objects
• Schmidt telescopes USE Schmidt cameras
• Schmidt-Cassegrain telescopes
• Schonberg-Chandrasekhar limit USE Chandrasekhar-Schoenberg limit
• Schwarzschild black holes
• Schwarzschild vacuum USE Schwarzschild metric
• Schwarzschild radius
• Seasonal phenomena
• Secondary cosmic rays
• Secondary planets USE Natural satellites
• Secondary stars USE Companion stars
• Secular parallax
• Sedna
• Selenology
• Semibarium stars USE Semi-barium stars
• Semidetached binary stars USE Semi-detached binary stars
• Semi-diurnal USE Ocean tides
• Semimajor axis
• Semiminor axis
• Semiregular variable stars USE Semi-regular variable stars
• Semiregulars USE Semiregular variables
• Seyfert galaxies
• Seyfert nucleus USE Seyfert nuclei
• Shadow bands
• Shell burning
• Shell helium flashes USE Helium shell flashes
• Shell stars
• Shepherd satellites
• Short period variable stars
• Siderostats
• Sigma8
• Silicon burning
• SiO masers USE Silicon monoxide masers
• Silicon stars
• Single star systems
• Single X-ray stars
• Spacetime singularities USE Gravitational singularities
• Sky brightness
• Sky noise
• Sky surveys
• Slow irregulars USE Slow irregular variables
• Slow novae
• SSSBs USE Small solar system bodies
• Sociology of astronomy
• Soft gamma-ray repeaters USE Soft gamma ray repeaters
• Solar abundances
• Solar activity
• Sun cycles USE Solar activity cycles
• Solar atmosphere
• Solar atmospheric motions
• Stellar bow shocks
• Solar chromosphere
• Solar composition
• Solar constant
• Solar core
• Solar corona
• Solar coronal holes
• Solar coronal loops
• Solar coronal streamers
• Solar magnetic activity cycle USE Solar cycle
• Solar variations USE Solar cycle variations
• Solar diameter
• Solar eclipses
• Solar electromagnetic emission
• Suprathermal particles USE Solar energetic particles
• Solar prominences
• Solar evolution
• Solar faculae
• Solar flocculus USE Solar filaments
• Solar flares
• Solar γ-ray emission USE Solar gamma ray emission
• Solar granulation
• Solar instruments
• Solar interior
• Solar irradiance
• Solar macrospicules
• Solar magnetic fields
• Solar magnetic reconnection
• Solar magnetism
• Solar mass
• Solar motion
• Solar nebulae
• Solar neighbourhood USE Solar neighborhood
• Solar neutrino problem
• Solar neutrinos
• Solar neutrons
• Solar observatories
• Solar optical telescopes
• Solar oscillations
• Solar parallax
• Solar particle emission
• Solar photosphere
• Solar physics
• Solar/planetary interactions USE Solar-planetary interactions
• Solar properties
• Solar radiation
• Solar radio emission
• Solar radio telescopes
• Solar rotation
• Solar spicules
• Solar storm
• Solar surface
• Solar system
• Solar system dwarf planets
• Solar system formation
• Solar system planets
• Solar telescopes
• Solar/terrestrial relations USE Solar-terrestrial interactions
• Solar transition region
• Solar UV emission USE Solar ultraviolet emission
• Solar wind
• Solar wind termination
• Solar X-ray emission
• Solstice
• South node USE Descending node
• Space astrometry
• Space-based telescopes USE Space telescopes
• Space biology USE Astrobiology
• Space debris
• Space exploration
• Space instruments
• Space law
• Space observatories
• Space plasmas
• Space probes
• Space science USE Space research
• Space vehicle instruments
• Space vehicles
• Special theory of relativity
• Speckle interferometry
• Stellar spectrum classification USE Stellar classification
• Spectral index
• Spectrometers
• Spectrophotometry
• Spectrum binary stars USE Spectroscopic binary stars
• Spectroscopic radial velocity USE Radial velocity
• Spectrum binary stars USE Two-spectrum binary stars
• Spectrum variable stars
• Spherical astrolabes USE Armillary spheres
• Spherical astronomy USE Positional astronomy
• Spin-flip USE Black hole spin-flip
• Spiral arms
• SS cygni stars USE U Geminorum stars
• Sunspot number
• Stellar stability
• Standard candles
• Standard stars
• Stellar associations
• Star atlases
• Star clusters
• Stellar statistics USE Star counts
• Stellar evolution
• Star formation
• Starlight polarization
• Starspots
• Stellar systems USE Star systems
• Starburst galaxies
• Stargazing USE Amateur astronomy
• Stars
• Statistical parallax
• Steady-state theory
• Stellar abundance USE Chemical abundances
• Stellar abundances
• Stellar accretion
• Stellar accretion disks
• Stellar activity
• Stellar ages
• Stellar physics
• Stellar atmospheres
• Stellar opacity USE Stellar atmospheric opacity
• Stellar mass black holes
• Stellar bridges
• Stellar magnitudes
• Stellar properties
• Stellar chemical composition
• Stellar chromospheres USE Chromospheres
• Stellar colours USE Stellar colors
• Stellar composition
• Stellar cores
• Stellar coronae USE Coronae
• Stellar disks
• Stellar distance
• Stellar distribution
• Stellar dynamics
• Stellar effective temperatures
• Stellar elemental abundances
• Stellar envelope USE Circumstellar shell
• Stellar envelope USE Circumstellar envelope
• Stellar evolutionary tracks
• Stellar faculae
• Stellar feedback
• Stellar flares
• Stellar gas distribution
• Stellar imaging USE Observational astronomy
• Stellar inner core
• Stellar interferometry USE Optical interferometry
• Stellar interior
• Stellar jets
• Stellar kinematics
• Stellar magnetospheres USE Stellar magnetic fields
• Stellar mass functions
• Stellar mass loss
• Stellar masses
• Stellar motion
• Stellar nucleosynthesis
• Stellar oscillations
• Stellar winds
• Stellar parallax
• Stellar phenomena
• Stellar photospheres USE Photospheres
• Stellar population of the Orion Nebula Cluster USE Orion population stars
• Stellar populations
• Stellar progenitors
• Stellar pulsations
• Stellar radius USE Stellar radii
• Stellar radio sources USE Radio stars
• Stellar remnants
• Stellar rings
• Stellar rotation
• Stellar seismology USE Asteroseismology
• Stellar spatial motions USE Proper motions
• Stellar spectral lines
• Stellar structure
• Stellar surfaces
• Stellar tracking devices
• Stellar-wind bubbles USE Stellar wind bubbles
• Stereophotogrammetry USE Photogrammetry
• Strange stars USE Quark stars
• Stratopause
• Stratosphere
• String cosmology
• String duality
• String field theory
• String phenomenology
• String theory
• String theory anomalies
• Stripped core-collapse supernovae
• Stromgren uvby system USE Strömgren photometric system
• Strömgren spheres
• Strong gravitational lensing
• Strontium stars
• SU Ursae Majoris stars
• Subdwarfs
• Substellar companions
• Subgiants USE Subgiant stars
• Subluminous stars
• Submillimeter astronomy
• Summer solstice
• Sun spots
• Sungrazer USE Kreutz Sungrazers
• Sunspot cycle
• Sunspot groups
• Sunspots
• SZ effect USE Sunyaev-Zeldovich effect
• Super-Earths USE Super Earths
• Superhumps
• Superradiant emission USE Astrophysical masers
• Superbubbles
• Superclusters
• Supergalactic coordinate system
• Supergalactic latitude
• Supergalactic longitude
• Supergiant stars
• Supergranulation
• Supergravity
• Superheterodyne receivers USE Heterodyne receivers
• Superluminal motion USE Apparent superluminal motion
• Supermassive black holes
• Supermassive stars
• Supernova dynamics
• Supernova envelopes
• Supernova evolution
• Supernova neutrinos
• Supernova progenitors
• Supernova remnants
• Supernovae
• Superspaces
• Superstring theory
• Superstring vacua
• Superstrings
• Supersymmetric gauge theory
• Supersymmetric Standard Model
• SUSY USE Supersymmetry
• Supersymmetry breaking
• Supersymmetry phenomenology
• Surface gravity
• Surface photometry
• Surveys
• Sweet air USE Nitrous oxide
• SX Arietis variables
• SX-Phoenicis variables USE SX Phoenicis variables
• Symbiotic stars USE Symbiotic binary stars
• Symbiotic novae
• Synodic period
• Synthetic aperture USE Aperture synthesis
• Syzygy