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
Descriptionaltbroadernarrowerrelated
nadir      (nadir)
nadir
pole horizon coordinate system ,
zenith
 
naked singularity      (nakedSingularity)
naked singularity
singularity black hole ,
quantum cosmology ,
space-time singularity ,
white hole
 
narrow band photometry      (narrowBandPhotometry)
narrow-band photometry
CCD photometry ,
photoelectric photometry
H alpha photometry ,
H beta photometry
broad band photometry ,
medium band photometry
 
Nasmyth focus      (NasmythFocus)
Nasmyth focus
focus Cassegrain focus ,
Coude focus ,
Newtonian focus ,
prime focus ,
tertiary mirror
 
natural line broadening      (naturalLineBroadening)
natural line broadening
line broadening natural line width ,
spectral line
 
natural line width      (naturalLineWidth)
natural line width
line width Doppler broadening ,
Stark broadening ,
Zeeman splitting ,
line broadening ,
natural line broadening ,
pressure broadening ,
spectral line
 
nautical almanac      (nauticalAlmanac)
nautical almanac
almanac ephemeris
 
Navarro-Frenk-White profile      (NavarroFrenkWhiteProfile)
Navarro-Frenk-White mass-profile
NFW ,
NFW profile ,
NFW-profile
mass distribution Burkert profile ,
exponential profile ,
isothermal sphere
FVH: new (2007-OCT-5)
 
  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
Descriptionaltbroadernarrowerrelated
N-body problem      (NBodyProblem)
N-body problem
N body problem ,
many body problem ,
many-body problem
N-body simulation ,
celestial mechanics ,
orbit ,
perturbation ,
stellar dynamics ,
three-body problem ,
two-body problem
 
N-body simulation      (NBodySimulation)
N-body simulation
numerical simulation N-body problem
FVH: new (2007-OCT-3)
 
nearby dwarf      (nearbyDwarf)
nearby dwarf star
dwarf ,
nearby star
 
nearby galaxy      (nearbyGalaxy)
nearby galaxy
galaxy Magellanic cloud ,
Local Group
bright galaxy
 
nearby star      (nearbyStar)
nearby star
nearby dwarf trigonometric parallax
 
near-Earth asteroid      (nearEarthAsteroid)
near-Earth asteroid
NEO ,
near Earth asteroid ,
near-Earth object
asteroid
 
near infrared radiation      (nearInfraredRadiation)
near infrared radiation
infrared radiation H magnitude ,
I magnitude ,
J magnitude ,
K magnitude ,
L magnitude ,
far infrared radiation ,
infrared photometry
 
near ultraviolet radiation      (nearUltravioletRadiation)
near ultraviolet radiation
NUV ultraviolet radiation extreme ultraviolet radiation ,
far ultraviolet radiation
 
nebula      (nebula)
nebula
interstellar matter bipolar nebula ,
bright nebula ,
compact nebula ,
dark nebula ,
dense cloud ,
diffuse nebula ,
dust nebula ,
emission nebula ,
filamentary nebula ,
gaseous nebula ,
planetary nebula ,
reflection nebula ,
ring nebula
Opik theory ,
forbidden line ,
forbidden transition ,
nebular filament ,
surface photometry
named nebula not included; not including galaxy
 
nebular filament      (nebularFilament)
nebular filament
interstellar matter filamentary nebula ,
nebula
 
  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
Descriptionaltbroadernarrowerrelated
negative H ion      (negativeHIon)
negative hydrogen ion
H minus ion ,
H- ,
H- ion
hydrogen opacity ,
stellar atmosphere
 
neighborhood      (neighborhood)
neighborhood
combine with other terms
 
neodymium      (neodymium)
neodymium (atomic number 60)
Nd fundamental chemical element ,
rare earth
FVH: new (2007-OCT-25)
 
neon      (neon)
neon (atomic number 10)
Ne fundamental chemical element
FVH: new (2007-OCT-25)
 
Neptune      (Neptune)
Neptune
Jovian planet ,
planet
Solar System
FVH: new (2007-SEP-24)
 
neptunium      (neptunium)
neptunium (atomic number 93)
Np fundamental chemical element
FVH: new (2007-OCT-25)
 
Neumann line      (NeumannLine)
Neumann line
emission line ,
emission spectrum ,
meteorite
 
neutral density filter      (neutralDensityFilter)
neutral density filter
filter attenuation
FVH: new (2007-SEP-21)
 
neutral gas      (neutralGas)
neutral gas
gas H I ,
He I
H I region
 
neutrino      (neutrino)
neutrino
elementary particle ,
lepton ,
particle
antineutrino ,
solar neutrino problem ,
supernova
 
  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
Descriptionaltbroadernarrowerrelated
neutron      (neutron)
neutron
elementary particle ,
fundamental particle
alpha particle ,
nucleus atom
 
neutron star      (neutronStar)
neutron star
collapsed star ,
compact object ,
degenerate star ,
relativistic star ,
stellar object
HZ Herculis star ,
magnetar
Alfven surface ,
X-ray binary star ,
X-ray burst ,
X-ray pulsar ,
low-mass X-ray binary star ,
pulsar ,
quark ,
relativistic astrophysics ,
supernova remnant
 
Newtonian focus      (NewtonianFocus)
Newtonian focus
Newtonian telescope ,
focus
Cassegrain focus ,
Coude focus ,
Nasmyth focus
 
Newtonian gravitation      (NewtonianGravitation)
Newtonian gravitation
gravitation MOdified Newtonian Dynamics ,
general theory of relativity ,
gravitational constant ,
gravitational force
 
Newtonian telescope      (NewtonianTelescope)
Newtonian telescope
Newtonian focus
 
N galaxy      (NGalaxy)
N galaxy
compact galaxy ,
galaxy
Yerkes classification ,
galactic nucleus ,
giant radio galaxy
 
nickel      (nickel)
nickel (atomic number 28)
Ni fundamental chemical element
FVH: new (2007-OCT-25)
 
night sky brightness      (nightSkyBrightness)
night sky brightness
night sky background sky brightness Rayleigh ,
Rayleigh scattering ,
airglow ,
aurora ,
gegenschein ,
zodiacal light
 
night vision      (nightVision)
night vision
dark adaption
 
niobium      (niobium)
niobium (atomic number 41)
Nb 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
Descriptionaltbroadernarrowerrelated
nitrogen      (nitrogen)
nitrogen (atomic number 7)
N fundamental chemical element carbon nitrogen cycle
FVH: new (2007-OCT-25)
 
N magnitude      (NMagnitude)
N magnitude
apparent magnitude far infrared radiation ,
infrared photometry
 
nobelium      (nobelium)
nobelium (atomic number 102)
No fundamental chemical element
FVH: new (2007-OCT-25)
 
noctilucent cloud      (noctilucentCloud)
noctilucent cloud
cloud Earth atmosphere ,
luminescence
in Earth's atmosphere
 
node      (node)
node
line of node ascending node ,
descending node
inclination ,
orbit ,
vibration
 
noise      (noise)
noise
background noise ,
cosmic noise ,
interference noise ,
read out noise ,
shot noise ,
sky noise
integration time ,
signal-to-noise ratio
FVH: moved interference_noise to NT (2007-OCT-1)
combine with other terms
 
nomenclature      (nomenclature)
nomenclature
catalog ,
classification
 
non-equilibrium flow      (nonEquilibriumFlow)
non-equilibrium flow
nonequilibrium flow flow flow instability
 
non-LTE transfer      (nonLteTransfer)
non-LTE transfer
nonLTE transfer energy-transfer ,
local thermodynamic equilibrium ,
radiation mechanism
 
non-main sequence star      (nonMainSequenceStar)
non-main_sequence star
nonmain_sequence star evolved star ,
post-main sequence star ,
pre-main sequence star
only the broad classes are shown below; specific type will be found under these, or from the hierarchical list
 
  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
Descriptionaltbroadernarrowerrelated
non-radial pulsation      (nonRadialPulsation)
non-radial pulsation
nonradial pulsation ZZ Ceti star ,
beta Cephei star ,
delta Scuti star ,
pulsating variable star ,
pulsation mode
 
non-thermal particle      (nonThermalParticle)
non-thermal particle
nonthermal particle non-thermal source
 
non-thermal radiation      (nonThermalRadiation)
non-thermal radiation
nonthermal radiation non-thermal source
 
non-thermal source      (nonThermalSource)
non-thermal source
nonthermal source source non-thermal particle ,
non-thermal radiation ,
synchrotron radiation
 
North Celestial Pole      (NorthCelestialPole)
North Celestial Pole
NCP ,
N.C.P.
celestial pole South Celestial Pole
 
North Ecliptic Pole      (NorthEclipticPole)
North Ecliptic Pole
NEP ,
N.E.P.
ecliptic pole South Ecliptic Pole
 
northern hemisphere      (northernHemisphere)
northern hemisphere
southern hemisphere
 
North Galactic Pole      (NorthGalacticPole)
North Galactic Pole
NGP ,
N.G.P.
Galactic pole South Galactic Pole
 
nova-like variable      (novaLikeVariable)
nova-like variable
cataclysmic variable star AM Canum Venaticorum star ,
UX Ursae Majoris star ,
VY Sculpturis star
 
nova      (nova)
nova
eruptive binary star ,
high-luminosity star
classical nova ,
X-ray nova ,
fast nova ,
recurrent nova ,
slow nova ,
symbiotic nova
mass-loss ,
optical outburst ,
pre-nova ,
progenitor ,
supernova
 
  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
Descriptionaltbroadernarrowerrelated
N star      (NStar)
N star
late-type star spectral type ,
technetium star
 
nuclear astrophysics      (nuclearAstrophysics)
nuclear astrophysics
high-energy astrophysics ,
nuclear physics
 
nuclear fission      (nuclearFission)
nuclear fission
fission ,
nuclear reaction
cosmochronology ,
radioactivity
 
nuclear fusion      (nuclearFusion)
nuclear fusion
fusion ,
nuclear reaction
carbon burning ,
helium burning ,
oxygen burning ,
silicon burning
carbon flash ,
carbon nitrogen cycle ,
e-process ,
helium flash ,
helium shell flash ,
hydrogen burning ,
proton-proton reaction ,
shell burning ,
stellar interior ,
supernova
 
nuclear physics      (nuclearPhysics)
nuclear physics
interaction ,
nuclear astrophysics ,
nuclear radiation ,
nuclear reaction ,
strong interaction ,
weak interaction
 
nuclear radiation      (nuclearRadiation)
nuclear radiation
alpha particle ,
electron ,
gamma-ray radiation ,
positron
Cerenkov radiation ,
nuclear physics
 
nuclear reaction      (nuclearReaction)
nuclear reaction
nuclear fission ,
nuclear fusion ,
urca process
carbon burning ,
nuclear physics ,
nucleosynthesis ,
solar neutrino problem
 
nucleosynthesis      (nucleosynthesis)
nucleosynthesis
carbon burning ,
helium burning ,
hydrogen burning ,
oxygen burning ,
silicon burning
nuclear reaction ,
p process ,
r-process ,
s-process ,
stellar interior ,
supernova
 
nucleus atom      (nucleusAtom)
nucleus [atom]
Bose-Einstein nucleus ,
Fermi-Dirac nucleus
neutron ,
proton
 
nucleus celestial object      (nucleusCelestialObject)
nucleus [celestial object]
compact nucleus ,
galactic nucleus
cD galaxy ,
comet ,
dirty snowball theory
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
Descriptionaltbroadernarrowerrelated
numerical analysis      (numericalAnalysis)
numerical analysis
data processing numerical integration ,
numerical method ,
numerical simulation
 
numerical integration      (numericalIntegration)
numerical integration
numerical analysis ,
numerical method
 
numerical method      (numericalMethod)
numerical method
numerical analysis ,
numerical integration ,
numerical simulation
 
numerical simulation      (numericalSimulation)
numerical simulation
N-body simulation ,
SPH simulation
computer model ,
model ,
numerical analysis ,
numerical method
 
nutation      (nutation)
nutation
Earth rotation ,
Moon ,
equation of the equinox ,
polar motion ,
precession
 

Thu Jul 3 16:30:01 2008