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Concepts

Index

Life at the Vernal Equinox
Seeing a Light Year
Location of the Galactic Nucleus
Illustration of a Reflection Nebula
Part of the Hyades in Taurus
Image of a Typical Open Cluster
The Sun, Venus and Mercury
Map of the Milky Way Galaxy
Illustration of a Comet
Illustration of a Constellation, Leo
The Northern Ecliptic Pole in Draco
A Typical K-type Star
The Sky at the Northern Celestial Pole
Image of a Galaxy
Image of the Summer Solstice
Comparative Size of a Dwarf
The First Point of Aries
A
A-type StarsArcturian StarsArm, Scutum-Crux
AbbreviationsArea, AngularArm, Spiral
Abell 1656Aries, First Point ofAsterism
Absolute MagnitudeArm, GalacticAsteroid
Absolute TemperatureArm, OrionAsteroid Belt
Absorption NebulaArm, OuterAstronomical Unit
Angular AreaArm, PerseusAU
Apollo GroupArm, SagittariusAutumnal Equinox
Apparent Magnitude
B
B-type StarsBlack DwarfBright Yellow Stars
Barred Spiral GalaxyBlack HoleBrown Dwarf
Bayer DesignationBlue StarsBSC
BinaryBright Star Catalog
C
C-type StarsCelestial SphereCluster, Virgo
Calcium StarsClassical Kuiper Belt ObjectCluster of Galaxies
Carbon StarsClusterComa Cluster
CBRCluster, ComaComet
Celestial EquatorCluster, GalacticConstellation Family
Celestial MeridianCluster, GlobularConstellations
Celestial PoleCluster, LocalCosmic Background Radiation
Celestial Pole, NorthernCluster, OpenCrater
Celestial Pole, SouthernCluster, Ursa MajorCubewano
D
Dark MatterDiameterDwarf
Dark NebulaDrake EquationDwarf Planet
Declination
E
EccentricityElliptical GalaxyEquinox, Autumnal
EclipseEmission NebulaEquinox, Vernal
EclipticEquator, CelestialExoplanet
Ecliptic Pole, NorthernEquinoxExtrasolar Planet
F
F-type StarsFirst Point of AriesFull Moon
Family, ConstellationFlamsteed Numbers
G
G-type StarsGalaxiesGenitives
Galactic ArmGalaxy, TheGiant
Galactic ClusterGalaxy ClusterGlobular Cluster
Galactic CoreGalilean MoonsGravity
Galactic NucleusGas GiantsGreen Bank Equation
Galactic Pole, Northern
H
HD CatalogueHenry Draper CatalogueHubble Classification
HemisphereHR Catalog
I
ICInterstellar MediumISM
Index CatalogueIrregular Galaxy
J
Jovian Planets
K
K-type StarsKuiper BeltKuiper Belt, Classical Object
Kelvin Scale
L
Leo I GroupLimbLuminosity
LifeLocal ClusterLunar Seas
Light YearLocal Group
M
M-type StarsMagnitude, ApparentMessier Catalogue
M96 GroupMain Sequence StarsMilky Way
Magellanic CloudsMariaMoons
MagnitudeMassMultiple Stars
Magnitude, AbsoluteMeridian, Celestial
N
N-type StarsNebula, ReflectionNorth Polar Sequence
NebulaNEPNorthern Celestial Pole
Nebula, AbsorptionNeutron StarNorthern Ecliptic Pole
Nebula, DarkNew General CatalogueNorthern Galactic Pole
Nebula, EmissionNew MoonNubeculae Magellani
Nebula, PlanetaryNGC
O
O-type StarsOrbitOrion Arm
Open ClusterOrbital EccentricityOrange Stars
Optical DoubleOrbital PeriodOuter Arm
P
Pale Yellow StarsPlanetsPrecession Circle
Parallax SecondPlanets, JovianProminence
ParsecPlanets, TerrestrialProtoplanet
Perseus ArmPopulation IProtostar
PhotospherePopulation IIPulsating Variable
Planetary NebulaPrecession
R
R-type StarsReflection NebulaRight Ascension
RARetrogradeRings
Red Stars
S
S-type GalaxySidereal PeriodSpiral Galaxy
S-type StarsSolar NebulaSpring Equinox
Sagittarius ArmSolar SystemStar Cluster
SatelliteSolar WindStars
SB-type GalaxySolsticeSubdwarf
Schwarzchild RadiusSolstice, SummerSubgiant
Scutum-Centaurus ArmSolstice, WinterSummer Solstice
Scutum-Crux ArmSouthern Celestial PoleSunspot
Seas, LunarSouthern Ecliptic PoleSupergiant
SEPSpectral ClassificationSupernova
Sidereal DaySpiral Arm
T
Terrestrial Planets
U
UniverseUrsa Major Cluster
V
Variable StarsVernal EquinoxVirgo Cluster
Variable Stars, Pulsating
W
W-type StarsWinter SolsticeWhite Stars
White Dwarf
Y
Yellow Stars (G-type)Yellow Stars (F-type)
Z
Zodiac

Indexes