| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
|---|---|---|---|---|
| Faber-Jackson distance (FaberJacksonDistance) | ||||
|
Faber-Jackson distance |
distance measurement | Faber-Jackson relation | ||
| ES: new (2007-OCT-8) | ||||
| Faber-Jackson relation (FaberJacksonRelation) | ||||
|
Faber-Jackson relation |
fundamental plane
, luminosity-dispersion relation , statistical relation |
Faber-Jackson distance
, elliptical galaxy |
||
| FVH: new (2007-OCT-9) | ||||
| Fabry-Perot interferometer (FabryPerotInterferometer) | ||||
|
Fabry-Perot interferometer |
Fabry Perot interferometer | interferometer | ||
| Fabry-Perot spectrograph (FabryPerotSpectrograph) | ||||
|
Fabry-Perot spectrograph |
Fabry Perot spectrograph
, Fabry Perot spectrometer , Fabry-Perot spectrometer |
spectrograph | ||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| facula (facula) | ||||
|
facula |
chromosphere
, granulation , photosphere , plage |
|||
| faint blue star (faintBlueStar) | ||||
|
faint blue star |
early-type star
, faint star |
|||
| faint galaxy (faintGalaxy) | ||||
|
faint galaxy |
galaxy | |||
| combine with other terms | ||||
| faint star (faintStar) | ||||
|
faint star |
star | faint blue star | ||
| combine with other terms | ||||
| false color photography (falseColorPhotography) | ||||
|
false color photography |
photography | |||
| Fanaroff-Riley class (FanaroffRileyClass) | ||||
|
fanaroff riley class |
galaxy
, radio galaxy |
|||
| Faraday effect (FaradayEffect) | ||||
|
Faraday effect Faraday rotation |
magneto-optical effect |
H II region
, light polarization , polarized radiation |
||
| far infrared radiation (farInfraredRadiation) | ||||
|
far infrared radiation |
infrared radiation |
M magnitude
, N magnitude , O magnitude , P magnitude , Q magnitude , infrared photometry , near infrared radiation |
||
| far ultraviolet radiation (farUltravioletRadiation) | ||||
|
far ultraviolet radiation |
FUV | ultraviolet radiation |
extreme ultraviolet radiation
, near ultraviolet radiation |
|
| fast Fourier transform (fastFourierTransform) | ||||
|
fast Fourier transform |
FFT | Fourier transform | ||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| fast nova (fastNova) | ||||
|
fast nova |
nova |
recurrent nova
, slow nova |
||
| F corona (FCorona) | ||||
|
F corona |
F component
, F-corona |
corona | zodiacal light | |
| F dwarf (FDwarf) | ||||
|
F dwarf star |
F star
, dwarf |
|||
| feed (feed) | ||||
|
feed |
feed horn
, telescope instrument |
|||
| feed horn (feedHorn) | ||||
|
feed horn |
antenna
, feed , horn antenna , radio telescope , telescope instrument |
|||
| Fermi-Dirac nucleus (FermiDiracNucleus) | ||||
|
Fermi-Dirac nucleus |
Fermi Dirac nucleus | nucleus atom |
Bose-Einstein nucleus
, Fermi-Dirac statistics |
|
| Fermi-Dirac statistics (FermiDiracStatistics) | ||||
|
Fermi-Dirac statistics |
Fermi Dirac statistics |
Bose-Einstein statistics
, Fermi-Dirac nucleus , quantum mechanics |
||
| Fermi interaction (FermiInteraction) | ||||
|
Fermi interaction |
weak interaction | |||
| fermion (fermion) | ||||
|
fermion |
fundamental particle | boson | ||
| fermium (fermium) | ||||
|
fermium (atomic number 100) |
Fm | fundamental chemical element | ||
| FVH: new (2007-OCT-25) | ||||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| Feynman diagram (FeynmanDiagram) | ||||
|
Feynman diagram |
elementary particle | |||
| Feynman integrals (FeynmanIntegrals) | ||||
|
Feynman integrals |
||||
| F giant (FGiant) | ||||
|
F giant star |
F star
, giant |
|||
| fiber optics (fiberOptics) | ||||
|
fiber optics |
optics | optical fiber | ||
| fibrill (fibrill) | ||||
|
fibrill |
chromosphere | |||
| field corrector (fieldCorrector) | ||||
|
field corrector |
correcting lens |
lens
, optical component |
catadioptric system
, corrector plate , focal reducer , optical instrument |
|
| field curvature (fieldCurvature) | ||||
|
field curvature |
curvature of field | optical aberration |
astigmatism
, chromatic aberration , comatic aberration , distortion , optical system , spherical aberration |
|
| field equation (fieldEquation) | ||||
|
field equation |
electromagnetic field
, relativity |
|||
| field galaxy (fieldGalaxy) | ||||
|
field galaxy |
galaxy | |||
| generally, foreground or background object | ||||
| field of view (fieldOfView) | ||||
|
field of view |
vignetting | |||
| at telescope' foci | ||||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| field star (fieldStar) | ||||
|
field star |
source
, star |
|||
| generally, foreground or background object | ||||
| figuring (figuring) | ||||
|
figuring |
polishing |
Hartmann test
, lens , mirror , optical surface , optical testing |
||
| polishing optics to accurate shape | ||||
| filamentary nebula (filamentaryNebula) | ||||
|
filamentary nebula |
nebula | nebular filament | ||
| filling factor (fillingFactor) | ||||
|
filling factor |
telescope array | |||
| filter (filter) | ||||
|
filter |
interference filter
, neutral density filter , optical filter |
attenuation
, filter wheel |
||
| FVH: added NT NEUTRAL_DENSITY_FILTERS (2007-SEP-21) | ||||
| filter wheel (filterWheel) | ||||
|
filter wheel |
camera
, filter |
|||
| FVH: new (2007-SEP-21) | ||||
| finding chart (findingChart) | ||||
|
finding chart |
atlas
, map , sky survey , star atlas |
|||
| finding list (findingList) | ||||
|
finding list |
catalog | |||
| fine analysis (fineAnalysis) | ||||
|
fine analysis |
analysis | data reduction | ||
| fine structure (fineStructure) | ||||
|
fine structure |
molecular line
, spectral line |
|||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| fireball (fireball) | ||||
|
fireball |
meteor | bolide | ||
| fission (fission) | ||||
|
fission |
nuclear fission | |||
| FK catalog system (FkCatalogSystem) | ||||
|
FK catalog system |
catalog | |||
| flare (flare) | ||||
|
flare |
chromospheric eruption |
X-ray flare
, optical flare , outburst , radio flare |
Sun
, active Sun , burst , prominence , solar activity , solar filament |
|
| flare star (flareStar) | ||||
|
flare star |
dwarf
, emission line star , infrared source , radio star |
BY Draconis star
, UV Ceti star , red dwarf flare star |
T association
, flash star , optical flare , optical outburst , radio flare |
|
| flash spectrum (flashSpectrum) | ||||
|
flash spectrum |
chromosphere
, emission line , solar eclipse |
|||
| flash star (flashStar) | ||||
|
flash star |
emission line star
, pre-main sequence star |
T association
, UV Ceti star , flare star |
||
| flat field (flatField) | ||||
|
flat field |
image processing
, two-dimensional detector |
|||
| flat field lamp (flatFieldLamp) | ||||
|
flat field lamp |
lamp |
calibration
, camera , spectrograph |
||
| FVH: new (2007-SEP-21) | ||||
| flattening (flattening) | ||||
|
flattening |
||||
| combine with other terms | ||||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| F layer (FLayer) | ||||
|
F layer |
F region |
Earth atmosphere
, ionosphere |
||
| Earth upper atmosphere | ||||
| flexure (flexure) | ||||
|
flexure |
||||
| combine with other terms | ||||
| florine (florine) | ||||
|
florine (atomic number 9) |
F | fundamental chemical element | ||
| FVH: new (2007-OCT-25) | ||||
| flow (flow) | ||||
|
flow |
non-equilibrium flow | fluid dynamics | ||
| combine with other terms | ||||
| flow instability (flowInstability) | ||||
|
flow instability |
non-equilibrium flow | |||
| fluctuation (fluctuation) | ||||
|
fluctuation |
||||
| combine with other terms | ||||
| fluid dynamics (fluidDynamics) | ||||
|
fluid dynamics |
fluid mechanics |
gas dynamics
, hydrodynamics , relativistic fluid dynamics |
flow
, mass-transfer |
|
| fluid mechanics (fluidMechanics) | ||||
|
fluid mechanics |
scientific field | fluid dynamics | Rayleigh-Taylor instability | |
| fluorescence (fluorescence) | ||||
|
fluorescence |
X-ray fluorescence |
luminescence
, photoluminescence , spectrum |
||
| flux density (fluxDensity) | ||||
|
flux density |
electromagnetic radiation
, luminosity , radiation |
|||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| flux (flux) | ||||
|
flux |
energy
, luminosity |
|||
| combine with other terms | ||||
| focal length (focalLength) | ||||
|
focal length |
focal reducer
, focus |
|||
| focal reducer (focalReducer) | ||||
|
focal reducer |
field corrector
, focal length |
|||
| focus (focus) | ||||
|
focus |
Cassegrain focus
, Coude focus , Nasmyth focus , Newtonian focus , prime focus |
focal length
, optical aberration , telescope |
||
| Fokker-Planck equation (FokkerPlanckEquation) | ||||
|
Fokker-Planck equation |
Fokker Planck equation | stellar dynamics | ||
| forbidden line (forbiddenLine) | ||||
|
forbidden line |
emission line |
forbidden transition
, nebula , spectrum |
||
| forbidden transition (forbiddenTransition) | ||||
|
forbidden transition |
forbidden line
, nebula , spectrum |
|||
| forbush effect (forbushEffect) | ||||
|
forbush effect |
cosmic ray
, solar physics |
|||
| force (force) | ||||
|
force |
centrifugal force
, centripetal force , electromagnetic forces , gravitational force |
electric field
, energy , magnetic field |
||
| combine with other terms | ||||
| forecasts (forecasts) | ||||
|
forecasts |
prediction | |||
| combine with other terms | ||||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| fork mounting (forkMounting) | ||||
|
fork mounting |
equatorial mounting | |||
| formation (formation) | ||||
|
formation |
||||
| combine with other terms | ||||
| Fourier analysis (FourierAnalysis) | ||||
|
Fourier analysis |
harmonic analysis |
Fourier component
, Fourier transform , fundamental frequency , harmonic frequency , maximum entropy method , multi-periodic pulsation , overtone frequency , waveform analysis |
||
| Fourier component (FourierComponent) | ||||
|
Fourier component |
Fourier analysis
, harmonic frequency |
|||
| Fourier spectrograph (FourierSpectrograph) | ||||
|
Fourier spectrograph |
Fourier spectrometer | spectrograph | ||
| Fourier transform (FourierTransform) | ||||
|
Fourier transform |
fast Fourier transform | Fourier analysis | ||
| Fourier transform spectroscopy (FourierTransformSpectroscopy) | ||||
|
Fourier transform spectroscopy |
spectroscopy | |||
| fragmentation (fragmentation) | ||||
|
fragmentation |
||||
| combine with other terms | ||||
| fragment (fragment) | ||||
|
fragment |
||||
| combine with other terms | ||||
| francium (francium) | ||||
|
francium (atomic number 87) |
Fr | fundamental chemical element | ||
| FVH: new (2007-OCT-25) | ||||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| Fraunhofer line (FraunhoferLine) | ||||
|
Fraunhofer line |
spectral line |
B band
, G band , H line , K line |
Sun
, absorption spectrum |
|
| not a complete list of terms | ||||
| free-bound emission (freeBoundEmission) | ||||
|
free-bound emission |
free bound emission |
emission spectrum
, radiation mechanism |
||
| free-free emission (freeFreeEmission) | ||||
|
free-free emission |
free free emission |
emission spectrum
, radiation mechanism |
spectrum
, thermal emission |
|
| f region (fRegion) | ||||
|
f region |
Kapteyn selected area |
Johnson photometry
, Stromgren photometry , photometry |
||
| frequency analysis (frequencyAnalysis) | ||||
|
frequency analysis |
maximum entropy method
, multi-periodic pulsation |
|||
| frequency distribution (frequencyDistribution) | ||||
|
frequency distribution |
Hess diagram
, distribution function |
|||
| frequency (frequency) | ||||
|
frequency |
wavelength | |||
| combine with other terms | ||||
| frequency shift (frequencyShift) | ||||
|
frequency shift |
glitch |
blueshift
, pulsar , redshift |
||
| frequency standard (frequencyStandard) | ||||
|
frequency standard |
instrument | |||
| friction (friction) | ||||
|
friction |
dynamical friction | |||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| Friedmann universe (FriedmannUniverse) | ||||
|
Friedmann universe |
cosmology |
Big Bang theory
, oscillating universe |
||
| frozen in element (frozenInElement) | ||||
|
frozen in element |
element formation
, supernova |
|||
| F star (FStar) | ||||
|
F star |
intermediate type star |
F dwarf
, F giant , F subdwarf , F subgiant , F supergiant |
spectral type | |
| F subdwarf (FSubdwarf) | ||||
|
F subdwarf star |
F star
, subdwarf |
|||
| F subgiant (FSubgiant) | ||||
|
F subgiant star |
F star
, subgiant |
|||
| F supergiant (FSupergiant) | ||||
|
F supergiant star |
F star
, supergiant |
UU Herculis star | ||
| function (function) | ||||
|
function |
distribution function | |||
| in mathematics | ||||
| fundamental chemical element (fundamentalChemicalElement) | ||||
|
the fundamental chemical element which appear in the periodic table |
atom
, chemical element |
actinium
, aluminum , americium , antimony , argon , arsenic , astatine , barium , berkelium , beryllium , bismuth , bohrium , boron , bromine , cadmium , caesium , calcium , californium , carbon , cerium , chlorine , chromium , cobalt , copper , curium , darmtadtium , dubnium , dysprosium , einsteinium , erbium , europium , fermium , florine , francium , gadolinium , gallium , germanium , gold , hafnium , hassium , helium , holmium , hydrogen , indium , iodine , iridium , iron , krypton , lanthanum , lawrencium , lead , lithium , lutetium , magnesium , manganese , meitnerium , mendelevium , mercury , molybdenum , neodymium , neon , neptunium , nickel , niobium , nitrogen , nobelium , osmium , oxygen , palladium , phosphorus , platinum , plutonium , polonium , potassium , praseodymium , promethium , protactinium , radium , radon , rare earth , rhenium , rhodium , roentgenium , rubidium , ruthenium , rutherfordium , samarium , scandium , seaborgium , selenium , silicon , silver , sodium , strontium , sulfur , tantalum , technetium , tellurium , terbium , thallium , thorium , thulium , tin , titanium , tungsten , uranium , vanadium , xenon , ytterbium , yttrium , zinc , zirconium |
||
| FVH: new (2007-OCT-25) | ||||
| fundamental frequency (fundamentalFrequency) | ||||
|
fundamental frequency |
Fourier analysis
, fundamental mode , harmonic frequency , overtone frequency , variable star |
|||
| fundamental mode (fundamentalMode) | ||||
|
fundamental mode |
pulsation mode |
fundamental frequency
, overtone mode |
||
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ||||
| Description | alt | broader | narrower | related |
| fundamental particle (fundamentalParticle) | ||||
|
fundamental particle |
particle |
electron
, fermion , neutron , proton |
||
| fundamental plane (fundamentalPlane) | ||||
|
fundamental plane |
luminosity-dispersion relation
, radius-luminosity relation |
Faber-Jackson relation | elliptical galaxy | |
| FVH: new (2007-OCT-9) | ||||
| fundamental star (fundamentalStar) | ||||
|
fundamental star |
star |
astrometry
, catalog , ephemeris |
||
| fundamental system (fundamentalSystem) | ||||
|
fundamental system |
position | |||
| combine with other terms | ||||
| funneling (funneling) | ||||
|
funneling |
late-type giant
, stellar evolution |
|||
| FU Orionis star (FuOrionisStar) | ||||
|
fu orionis star |
T Tauri star
, infrared source |
T association
, mass-loss |
||
| fusion (fusion) | ||||
|
fusion |
nuclear fusion | |||
| future light cone (futureLightCone) | ||||
|
future light cone |
light cone | past light cone | ||