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4389 "S"

() S
( ) S,
coal sack
Sacramento peak observatory
Sa galaxy
sag car
SAGE
SAGE neutrino detector
sagitta
sagittal
sagittal focus
Saha equation
Saha's equation
Saha's ionization formula
random sample
over sampling
sampling theorem
sandwich construction
sandwich mirror
SAO
SAO star catalog
Saros
Sa Sb galaxy
Sa SB spiral
Sa spiral
weather satellite
satellite astronomy
satellite-borne
satellite-borne instruments
satellite branches
satellite camera
satellite drag
satellite in long-lived orbit
satellite line
satellite observations
satellite observatory
Earth satellite orbit
artificial Earth satellite program(me)
satellite-range measurement
satellite's motion
satellite's orbit
satellite spectroscopy
satellite's period
satellite's spin
satellite system
satellite track
satellite tracking
satellite trail
satellite vehicle
saturated
saturated color
saturation
saturation effect
saturation function
daylight saving time
Sa Sb galaxy
S-branch
SB Sb spiral
Sb Sc galaxy
Sb Sc spiral
SB Sb spiral
vernier scale
scale correction
scale factor
relative scale of distances
scale of micrometer
scale of the Galaxy
scale of the universe
gray scale resolution
true scale Value
scale Value of telescope
grey scaling
spiral scan
scandium
scanner
two-dimensional scanning
scanning device
scanning drive
scanning element
frequency scanning method
scanning motion
scanning rate
scan strip scan
scatter
scatter diagram
scattered beam
scattered electrons
scattered light
scattered radiation
scattered star light
scattered starlight
scattered sunlight
wide-angle scattering
scattering atmosphere
Thomson scattering coefficient
scattering cross-section
scattering effect
scattering efficiency
scattering electron
scattering function
scattering law
scattering matrix
scattering medium
scattering power
scattering theory
Sb Sc galaxy
term scheme
scheme of band heads
Schiefspiegler telescope
solid-block Schmidt
Schmidt aplanatic sphere camera
super Schmidt camera
Schmidt camera optics
Schmidt-Cassegrain telescope
Schmidt plate
Schmidt's tube
Schmidt system
UK Schmidt telescope
Schottky effect
Schrodinger's equation
Schuman-Runge bands
Schuster-Schwarzschild method
Schuster-Schwarzschild model
Schuster's n
Schwinger radiation
space science
National Space Science Data Center
Space Telescope Science Institute
scientific probe
scintillate
scintillation
scintillation counter
scintillation detector
scintillation effects
scintillation fluctuations
scintillation in direction
scintillation in intensity
scintillation measures
scintillation noise
scintillation of radio stars
scintillation phenomenon
gas scintillation proportional counter
scintillation spectrum
scissoring vibration
sclera
sclerotic
SCNA telluric absorption
S-component
scotch mounting
scotopic luminosity curve
scotopic vision
S s-coupling
image scrambler
emulsion scratch
wire screen
screen brightness
screen brilliance
screen efficiency
screen illumination
screen image
screening
screening constant
screening effect
screen intensity
tilting screen made of slats
zenith-distance screw
screw micrometer
Sc Seyfert galaxy
Sb Sc spiral
Sc well-developed spiral
sea
interferometer sea interferometer
at sea level
sealing wax
search
lunar seas
season
seasonal
seasonal anomaly
seasonal changes
seasonal variation
observing seat
arc second
second art collision
second-art transition
Cassegrain secondary
secondary color
secondary cosmic radiation
secondary cosmic ray
secondary cosmic rays
secondary eclipse
secondary electron
secondary emission
secondary image
secondary ionization
secondary minimum
secondary mirror
secondary mirror cage
secondary processes
secondary prominence
secondary ring
secondary source
secondary spectrum
secondary star
second contact
second kind collision
Kepler's second law
second of arc
second of time
second order Stark effect
second subordinate series
second subsidiary series
conic section
column of unit cross sectional area
box section of tube
conic sections
rotating sector
sector acceleration
sector opening
yearly secular
secular aberration
secular acceleration
secular contraction
secular determinant
secular secular in declination
secular secular in right ascension
secular parallax
secular perturbation
secular precession
secular secular in declination
secular secular in right ascension
secular term
seeing
seeing bad
seeing compensator
seeing conditions
seeing disk
seeing-disk diameter
seeing(-disk) profile
seeing distortions
seeing disturbance
seeing effects
visual seeing estimate
seeing fair
seeing feature
seeing good
seeing image
seeing measures
stellar seeing monitor
seeing observations
seeing phenomena
seeing phenomenon
seeing poor
visual seeing scale
seeing shifts
seeing study
seeing test
seeing very bad
comet seeker
the galaxy seen edge-on
the galaxy seen side-on
integrated spectral segment
segmented mirror
Seidel aberration
seismic detector
selected
selected area
selected equinox
observatory site selection
selection effect
symmetry selection rule
selection rules
selective
selective absorber
selective absorption
spectrograph interferometric with selective amplitude modulation
selective diffuser
selective effect
selective radiator
selective receiver
selective sensitivity
selectivity
selenium cell
selenocentric
selenocentric orbit
selenodesy
selenographer
selenographic(al)
selenographic coordinates
selenographist
selenography
selenological
selenology
self-absorption
self-adjusting
self-admittance
self-broadening
self-consistent field
self-energy
self-excitation
self-feeding
self-gravitation
self-luminous
self-luminous body
self-luminous object
self-recording
self-recording microphotometer
self-registering
self-reversal
self-winding
selsyn
Selvyn granularity law
semiannual term
semiconducting bolometer
semiconductor
semidiameter
semidiurnal secular
semi-indirect illumination
semi-infinite atmosphere
semi major axis
semimajor axis
semi minor axis
semiminor axis
semipermanent
semiregular variables
optical semithickness
sensibility
sensibilization
remote sensing
temperature sensitive
sensitive amplifier
sensitive bolometer
phase sensitive detector
sensitive emulsion
sensitive film
light sensitiveness
position sensitive proportional counter
sensitive receiver
sensitive region
sensitive to light
threshold of sensitivity
equal sensitivity contours
visual sensitivity curve
sensitivity distribution
threshold gradient sensitivity function of eye for grains
sensitivity of system
reception (sensitivity) pattern
sensitivity pattern
optical sensitization
sensitize
noncolor sensitized
sensitizer
spectral sensitizing
sensitometric processing
Hartmann sensor
sensory system
separably degenerated
Hartley's law of doublet separating
opposite polarities separating line
nuclear separation
separation angle
separation image
angular separation of fringes
septet multiplet
spectral sequence
sequence of galactic types
main sequenceof star types
sequence of structural forms
term sequences
sequence star
Wood's resonance series
series discontinuity
series disintegration
Ritz series formula
series limit
L long series of observations
trigonometric series of parallaxes
Serrurier truss
time service
time service clock
time service instrument
time service station
servo
servomechanism
servomotor
servo system
servosystem
NASA extragalactic data set
set of comparison stars
set of observations
set rate
setting
setting circle
setting error
setting motion
setting on star
to set up
seven-inch transit circle
sextant
sextet multiplet
sextet state
Sc Seyfert galaxy
shade number
shade tube
optical shadow
shadow-band pattern
shadow bands
shadow-band structure
shadow method
shadow pattern
shadow photometer
shadow transit
polar-axis shaft
() "shallowing"
Shanghai observatory
galactic shape
investigation of shape of pivots
shape of pulse
sharp edge
sharpening
sharp image
sharp series
sharp solar limb
shearing interferometer
reflecting sheet
sheet reflector
gaseous shell
clam shell dome
shell of gas
shell spectrum
shell star
shell structure
light shield
shielding
blue shift
phase shifter
zero image shift focuser
seeing shifts
shininess of the Moon's surface
space ship
shock front
shock tube
shock wave
shooting star
short dipole
short (duration) burst
telescope of short focal length
short-focus objective
short-lived burst
short-period
short-period comet
short-period erratic motions
short-period perturbation
short scan
shortward
short-wave end
short-wave fade-out
short-wave radiation
shot effect
shot noise
shoulder
nighttime shower
shower meteor
air showers
Lanphier shutter
shutter aperture
shutter arches
shutter exposure
shutter mechanism
shutter opening
dome shutters
radiation sickness
visible side
broad side array
side effect
side lobe
sidelobe
sidelobe (response) level
the galaxy seen side-on
sidereal
sidereal clock
sidereal day
sidereal drive
sidereal mean daily motion
sidereal month
sidereal period
sidereal period of rotation at the equator
tracking at sidereal rate
sidereal-rate tracking mechanism
sidereal rotation
sidereal rotation period
sidereal second
local sidereal time
sidereal time at mean midnight
sidereal year
sideriostat
siderite
siderolite
siderostat
Siding Springs observatory
Siegbahn unit
line of sight
sighting telescope
sight line
sight-line velocity
line of sight velocity
-, σ
σ-bond
sigma orbital
σ-polarization
σ-
σ-
astronomical sign
wanted signal
standard signal generator
picture signal monitor
signal/noise
signal/noise performance
signal-noise ratio
signal/noise ratio
signal power
timing signals
signal-to-noise
signal-to-noise level
signal-to-noise ratio
signature of metric
sign convention
significance level
significant figures
sign of the zodiac
optical silica
fused silica mirror
silicon
silicon photocell
La Silla observatory
silver bromide emulsion
silver bromide grain
silver chloride emulsion
silver-disk pyrheliometer
silver film
exposed silver grains
silver image
silvering
silver iodide emulsion
silverless image
silver reflectivity
principle of similarity
antenna simple antenna
simple burst
simple eyepiece
simple harmonic oscillator
simple interferometer
simple lens
simplified model
target simulator
single antenna
single aperture
single-beam spectrometer
single-emulsion film
single exposure
single flat arrangement
single frequency observation
single frequency radiometer
single-frequency record
single lens reflex camera
single-level absorption
single-picture taking
single spot
single star
singlet
singlet line
singlet multiplet
singlet state
singlet term
singularity
singular state
S-interaction
observing site
site group
observatory site selection
observatory site survey
site surveys
site telescope
site testing
site tests
Einstein-de Sitter cosmology
Einstein-de Sitter model
de Sitter's model
de Sitter's universe
Einstein-de Sitter universe
six-color photometry
six-color system
six-constant method
sizable telescope
telescope size
size measurement
effective size of the Sun
size orbit size
angular size work
skeletal vibration
sweeps of sky
International Dark Sky association
sky atlas
sky background
total sky brightness
sky brightness temperature
sky darkness
deep sky filter
sky glow
photometric skyies
sky light
night sky luminance
sky monitor
total sky noise
deep sky object
sky of stars
sky patrol
sky-patrol
sky radiation
sky spectrum
STScI digital sky survey
radio sky temperature
turbulent slab
plane-parallel slabs
S, Λ-
slap
tilting screen made of slats
slewing
slewing drive
slewing-drive assembly
slewing motion
slewing motor
slew(ing) rate
sliced paraboloid
image slicer
vertical slide
slide carrier
spectroscope slit
slit assembly
slit image
slit jaw
slitless spectrograph
slit-less spectroscope
slitless spectrum
slit mechanism
wide slit spectrograph
slit spectrum
slit width
slit-width adjusting screw
Sloan digital sky survey
talus slope
slope of ray
slot
slow-acting developer
slow development
slow-drift burst
slowing-down radiation
slowly varying component
slow motion
slow-motion drive
slow motion drive assembly
slow plate
slow scan
SLR camera
small angle relationships
small-angle scattering
small-aperture telescope
small circle
small (diameter) source
smallest detectable signal
small flare
small flare event
small meteor
small planet
small-scale motions
small telescope
smart drive
smeared band
to smear out
Smithsonian astrophysical observatory
smoked glass
smoothed curve
homogeneous smoothed-out model
antenna smoothing
smoothing process
S/N
Snell's law
SNO
SNO neutrino detector
SO
SOAR
SOAR telescope
astronomical societies
Royal Astronomical Society
Astronomical Society of Pacific
Publication of the Astronomical Society of the Pacific
support socket
sodium iodide detector
soft component
soft developer
softening of radiation
soft landing
very soft radiation
orrery software
soft X-ray region
soft X-rays
SO galaxy
(solar)
solar
solar active region
forecast of solar activity
solar activity index
solar antapex
solar apex
solar astronomer
solar atmosphere
solar attraction
solar aureole
solar battery
solar blind photomultiplier
solar bombs
solar burst
solar calendar
solar cell
solar cell array
solar chromosphere
solar constant
solar coordinates
solar corona
solar corpuscles
solar corpuscular stream
solar cosmic rays
maximum phase of solar cycle
solar data
solar day
solar deuterium
solar diagonal
solar diameter
millionth of solar disk
Stoneyhurst solar disks
solar distance
solar disturbance
solar eclipse
solar-eclipse expedition
solar eclipse viewer
total solar emission
solar energy
solar ephemeris
solar equator
solar eruption
solar evolution
solar facula
solar filament
solar filter
solar flare
solar flux
solar flux density
solar globe
solar granulation
solar granules
solar haloes
solar heating
solar hemisphere
solar hydrogen vortex
solar illumination
solar instrument
solar interferometer
solar interior
solarization
solarized image
solar limb
solar limb darkening
solar luminosity
solar magnetic field
solar magnetograph
solar-mapping system
solar mass
solar matter
solar medium
solar meridian
solar model
solar model in deeper layers
solar modulation phenomena
solar motion
solar neighbourhood
solar neutrino flux
solar neutrinos
solar neutrino unit
microwave solar noise
solar noise storm
solar nutation
solar observations
National Solar Observatory
solar observing
solar outburst
solar paddle
solar parallax
solar patrol
solar period
solar phenomena
solar photosphere
solar physicist
solar physics
solar planets
solar plasma
solar plasma probe
solar pole
solar probe
solar prominence
solar protons
solar quantities
solar quiet magnetic secular
X-ray solar radiation
solar radiation pressure
solar radio astronomy
solar radio burst
sporadic solar radio emission
solar (radio) noise
solar radio observations
solar radio spectrum
solar radio wave intensity
solar radio waves
solar radius
solar recording
solar repulsive force
solar research
solar rotation
mean solar second
zero air-mass solar spectral irradiation curve
solar spectrograph
solar spectrometer
solar spectroscopy
solar spectrum
solar(-spectrum) ledger
solar spectrum lines
solar spot
solar spot prominences
solar studies
solar surface
solar surface Hα
solar survey
solar system
solar system distances
solar-system radar
tower solar telescope
solar temperature
solar-terrestrial events
solar-terrestrial relations
solar tidal wave
apparent (solar) time
local mean solar time
solar tower
solar-type star
solar ultraviolet radiation
solar wavelengths
solar wind
solar work
solar X-radiation
solar X-rays
solar XUV observations
solar year
solid
solid angle
effective solid angle of antenna
solid-block Schmidt
solid-block Schmidt camera
solid body
solid-body rotation
solid constituent
solid disk
solid grains
solid matter
solid mirror
solid particles
solid propellant
solid-propellant rocket
solid Schmidt camera
solid state detector
solid-state maser
solid surface
solstice
numerical solution
sonde
order sorter
sound emission
vertical incidence sounder
ionospheric sounding
sound propagation
sound wave
extended source
source brightness distribution
source concentration
source count
source density
source diameter
source direction
source directivity
source distribution
source function
radio source galaxy
source image
source major axis
source model
radio source observations
principal source of decameter activity
source of emission
source of errors
source of interference
source of noise
source of noise storm
source of radiation
source position
source power
source region
decameter source regions
survey of radio sources
energy sources in stars
source size
radio source structure
source velocity
south
South African astronomical observatory
South African large telescope
spherical south bearing
south celestial pole
south declination
south ecliptic pole
Southern astrophysical research telescope
south(ern) bearing
south(ern) hemisphere
southern latitude
southern lights
European Southern Observatory
southern polarity
southern reference star program(me)
southern reference stars
southern sky
south(ern) stars
south galactic pole
south pier
south point
south polar cap
south pole
Soviet 6-m telescope
radio waves from space
space absorption
National Aeronautic and Space Administration
European Space Agency
space astronomy
Kennedy Space Center
space-charge oscillations
space communication
space craft
Hipparcos spacecraft
spacecraft astronomy
spacecraft observation
spacecraft trails
space-curvature
spaced antennas
stellar space density
space distribution
spaced receiver method
space exploration
space-explorer
space flight
Goddard space flight center
space-like
spaceman
space medicine
space navigation
deep space network
space observatory
space optics
space physics
space probe
space-probe
space quantization
space research
space rocket
space science
National Space Science Data Center
space ship
manned spaceship
space station
space suit
Maui Space Surveillance system
space technology
Next generation space telescope
Space Telescope Science Institute
space television
space-time
space travel
space vehicle
space velocity
spacial distribution
variable spacing
variable spacing interferometer
lime spar
laser spark
spark detector
spark excitation
spark spectrum
spatial
spatial bandwidth
spatial brightness
spatial density
spatial emission
Centre National d'Etudes Spatiales
spatial filter
spatial filtering
spatial frequency
spatial fringe pattern
spatial structure
spatial survey
spatial velocity
special color index
special relativity
special theory of relativity
triple degenerated species
specific absorption
antenna specification
volumetric specific heat
specific intensity
speckle interferometry
eclipse spectacles
halogen spectra
spectracon
spectral absorption
spectral analysis
spectral band
spectral channel
spectral class
spectral classification
Yerkes spectral classification system
spectral color
spectral density
spectral distribution
spectral elongation
spectral emissivity
spectral energy distribution
spectral features
spectral filter
spectral flux density
spectral index
spectral intensity
zero air-mass solar spectral irradiation curve
21-cm radio spectral line
spectral line broadening
spectral line curvature
spectral-line displacement
spectral line emission
spectral line intensity
spectrally pure color
spectral MW
stellar spectral MWs
spectral observations
spectral order
spectral photometry
free spectral range
spectral region
spectral resolution
integrated spectral segment
spectral sensitivity
spectral sensitizing
spectral sequence
spectral series
spectral term
parentage of spectral terms
spectral transmission curve
spectral type
effective-temperature spectral-type relation
late spectral types
spectral variables
spectral width
spectrobologram
spectrobolometer
spectro-comparator
spectrocon
low-dispersion spectrogram
wide slit spectrograph
spectrographic
spectrographic equipment
spectrographic method
spectrographic observations
spectrograph interferometric with selective amplitude modulation
spectrograph slit
mass spectrography
spectroheliocinematograph
hydrogen spectroheliogram
spectroheliograph
spectrohelioscope
X-ray spectrometer
spectrometric
X-ray spectrometry
spectrophotometer
spectrophotometric gradient
spectrophotometric temperature
astronomical spectrophotometry
slit-less spectroscope
spectroscope slit
spectroscopic
spectroscopic absolute magnitude
spectroscopically
spectroscopic binary
spectroscopic binary star
spectroscopic double star
spectroscopic measurements
spectroscopic method
spectroscopic observations
spectroscopic parallax
spectroscopic research
spectroscopic study
spectroscopist
multi-object spectroscopy
spectroscopy, multi-object
continuous spectrum
spectrum analysis
spectrum analyzer
spectrum height
spectrum line
spectrum line intensity
solar spectrum lines
spectrum-luminosity correlation
spectrum-luminosity diagram
spectrum-luminosity relation
spectrum observations
spectrum of echo
turbulence spectrum of photosphere
spectrum of radio source
spectrum projector
dynamic spectrum record
spectrum spread
specular reflection
great speculum
speculum metal
photographic speed
speed changer
speed of fading
speed of light
speed of recession
irregularity in speed of rotation
vertex sphere
Schmidt aplanatic sphere camera
interstellar graphite spheres
spherical aberration
spherical angle
spherical astronomy
spherical component
spherical coordinates
spherical corrector
spherical dish
spherical distribution
spherical galaxy
spherical halo
spherical mirror
spherical mirror camera
spherical nebula
spherical reflector
spherical south bearing
spherical subsystem
spherical top
spherical-top molecule
spherical triangle
spherical trigonometry
spherochromatic aberration
oblate spheroid
spheroidal
spheroidal galaxy
spicule
chromospheric spicules
spider
spider line
cosmic ray spike
spill over
antenna spillover
spillover radiation
satellite's spin
spin casting
spin doubling
spin echo
spin function
spin-lattice interaction
spinning electron
spinning top
spin orbital
spin-orbit coupling
spin-orbit interaction
spin-orbit multiplet
spin-orbit splitting
spinor wave function
spin quantum number
spin-relativity doublet
electron spin resonance
spin-spin coupling
spin-spin interaction
spin temperature
spin uncoupling
Sc well-developed spiral
spiral arm
spiral branch
spiral formation
spiral galaxy
spiraling particle
spiralling electrons
spiral nebula
spiral scan
spiral structure
spiral system
split image
beam splitter
Zeeman splitting
splitting factor
Spoerer's law
spontaneous disintegration
spontaneous emission
spontaneous emitter
spontaneously
film spool
sporadic coronal condensation
sporadic E F
sporadic ionization
sporadic meteor
outburst sporadic outbursts of craters
sporadic region
sporadic solar radio emission
sweet spot
spot activity
spot area
odd spot cycle
spot diagram
orientation of spot group
spotlight illumination
spot model
reduced spot number
spot penumbra
spot-prominence
solar spot prominences
spotted area
spottedness
spot umbra
spot zone
spray ejection
spray prominence
spectrum spread
point spread function
spread in frequency
spreading
spread in spectrum
spread in time of travel
spread in velocities
spread of echo
spread of observations
spread velocity
spring equinox
Springfield mounting
Siding Springs observatory
spun-cast mirror
north polar spur
spurious disk
spurious effect
spurious error
spurious image
spurious radiation
Sputnik
sputtering
spynor field
square degree
least squares fit
least squares method
squaring-on
SRS program(me)
S s-coupling
SS-coupling
SS model
S star
Ss-
radiometer stability
stabilized binoculars
stabilized rocket
image stabilizing binoculars
stable emission
stable equilibrium
stable prominence
moving stage
stage micrometer
nebular stage of nova
staggered conformation
staggering
stain
time standard
standard antenna
standard candle method
standard catalogue
standard chromatic diagram
standard coordinates
standard development
standard deviation
standard epoch
standard error
standard error of the mean
standard eye for colorimetry
standard eye for photometry
standard film
standard-magnitude star
standard model
standard n
standard noise source
local standard of rest
standard position
standard radar equation
Harvard Standard regions
standard signal generator
standard source
standard star
standard system
standard time
standard time signals
standing wave
Stanier's distribution
secondary star
double star astronomy
star atlas
star background
Yale bright star catalog
star catalogue
star catalogue work
star chart
star chart program
star cloud
star cluster
star-constants
star density
star diagonal
radio star diameter
radio star distribution
star field
star formation
star formation process
star globe
star hopping
star image
radio star interferometry
radio star investigations
Stark effect
Stark (effect) broadening
scattered star light
scattered starlight
starlike
starlike object
star list
star luminosity
star map
star model
star monitor
star-navigation
star near the zenith
variable star nomenclature
American Association of Variable Star Observers
star of advancing spectral type
star of low metal content
star pair method
two star photometer
star place
star population
star position
southern reference star program(me)
radio star record
starry
Information Bulletin on Variable Stars
star's brightness
star's disk
star-shaped
star's path
star spectrum
star's surface
radio star statistics
star stream
radio star studies
radio star survey
local star system
time of start
radio star trace
star track
star tracking
photoelectric registration of star transit
radio star twinkling
main sequenceof star types
radio star work
Zeeman state
solid state detector
state odd state
state of ionization
state of polarisation
closely coupled states
United States Naval observatory
static gravitational equilibrium
static model
static nonempty model
static universe
tracking station
stationary atom
stationary focal point
stationary orbit
stationary prominence
stationary state
station of planet
statistical analysis
statistical broadening
statistical distribution
statistical method
statistical parallax
statistical study
statistical sum
statistical theory
statistical treatment
statistical weight
stellar statistics
steady emission
steady motion
steady radiation
steady state
steady(-state) conditions
steady-state cosmology
steady-state density
steady-state hypothesis
steady-state model
steady-state model universe
steady-state theory
steady-state universe
steerable antenna
steerable aperture
steerable parabolic reflector
steerable paraboloid
completely steerable paraboloid reflector
steerable (radio) telescope
steerable reflector
fully steerable telescope
Stefan-Boltzmann constant
Stefan-Boltzmann law
Stefan's law
stellar
stellar absorption coefficient
stellar activity
stellar association
stellar astronomer
stellar astronomy
stellar atmosphere
stellar brightness
stellar classification
stellar cluster
stellar component
stellar composition
stellar constitution
stellar coordinates
stellar corona
stellar deuterium
stellar diameter
stellar dilution factor
stellar disk
stellar distances
stellar dynamics
stellar energy
stellar evolution
stellar field
stellar gas
stellar hydromagnetics
stellar image
stellar intensity interferometer
Michelson stellar interferometer
stellar interior
stellar investigations
stellar light
stellar luminosity
stellar magnetic field
stellar magnitude
stellar mass
stellar material
stellar model
stellar motions
stellar nomenclature
stellar object
stellar orbit
trigonometric stellar parallax
stellar perturbations
stellar photography
stellar photometry
stellar physics
stellar plasma
stellar polarization
stellar population
stellar pulsation
stellar radiation
stellar radiation field
stellar radio source
stellar radius
stellar remnant of a supernova
stellar rotation
stellar scintillation
stellar seeing monitor
stellar space density
classification of stellar spectra
stellar spectral MWs
stellar spectrograph
stellar spectroscopy
stellar spectrum
stellar statistics
stellar structure
stellar system
stellar telescope
stellar temperature
stellar temperature scale
stellar ultraviolet radiation
stellar universe
stellar variability
stellar wind
stellar work
stellar world
echelon step
step method
stepped exposure
step-up excitation
step wedge
steradian
stereo comparator
stereocomparator
stereoscopic effect
Stern-Gerlach experiment
Steward observatory
stibsolar
stiffness
still image
stimulated absorption
stimulated emission
Stokes law
Stokes lines
Stokes parameters
Stokes' parameters
stone
stone meteorite
Stoneyhurst solar disks
stony-iron
stony-iron meteorite
stony meteorite
field stop
stop band
stop bath
stop down
stop-over transition
stopping-down
storage
storage efficiency
storage of plates
storage time
type I storm
storm and burst component
noise storm and bursts
storm burst
Stormer orbits
ionospheric storminess
storm of meteors
storm radiation
storm region
storm-time secular
blue stragglers
straight line portion
gravitational strain
stranger atom
Centre de Donnees astronomiques de Strasbourg
turbulent strata
stratification
stratopause
stratoscope
stratosphere
stratus
stratus clouds
stray factor
stray light
streaks
tidal stream
streamed figures
prominence streamer
polar streamers
hydrodynamical streaming
meteor (stream) radiant
Strehl ratio
relative line strength
strength of radiation
strength of radio waves
thermal stress
contrast stretching
stretching vibration
stria
striae
chromospheric striation
string method
stripped atom
stripping film
scan strip scan
Stromgren photometry
Mount Stromlo and Siding springs observatory
strong burst
very strong field
strong galactic concentration
strong image
strong line
strong source
strontium
structural features
sequence of structural forms
zonal structure
fine structure constant
local structure of neutral hydrogen
structure of the universe
STScI
STScI digital sky survey
Student's test
21-cm line studies
statistical study
style
S-type star
Subaru telescope
subband
subclass
subdwarf
subdwarf star
subemulsion
subenvelope
subfeature
subflare
subgiant
subgiant star
subgroup
sublevel
sublimation
Caltech sub-millimeter observatory
sub-millimeter wave
submillimeter (wavelength) range
subordinate line
subordinate series
subpolar
subshell
subsidiary maximum
subsidiary peak
second subsidiary series
subsolar point
subsolar temperature
normal substance
substandard film
substate
substation
subsurface
subsurface temperature
spherical subsystem
subsystem of stars
dark subtraction
successive exposures
sudden commencement
sudden commencement storm
sudden cosmic-noise absorption
sudden cosmic ray increase
sudden disappearance
sudden enhancement of atmospherics
sudden ionospheric disturbance
sudden magnetic disturbance
sudden phase anomaly
space suit
suitable density
lead sulphide cell
statistical sum
summation band
sum(mation) rule
summer
summer solstice
summer time
summit
Zeeman components sum rule
sum rule intensity
in the vicinity of the Sun
sunbeam
Sun-center distance
sun dial
sundial
sun dog
Sun-Earth distance
quiet Sun emission
scattered sunlight
sunlight exposure
sunlit
sunlit aurora
sunlit face
sunlit hemisphere
sunlit side
sunlit surface
quiet Sun radiation
sunrise
Sun satellite