|
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 |
|---|
|
BAADE WESSELINK METHOD (BaadeWesselinkMethod)
|
|
|
|
|
|
CEPHEIDS
,
DIAMETERS
|
| |
|
BACKGROUND (Background)
|
|
|
|
|
|
|
Combine with other terms
|
| |
|
BACKGROUND NOISE (BackgroundNoise)
|
|
|
|
NOISE
|
|
COSMIC NOISE
,
SIGNAL TO NOISE RATIO
,
SKY NOISE
|
| |
|
BACKGROUND RADIATION (BackgroundRadiation)
|
|
|
cosmic background radiation
,
radiation background
|
RADIATION
|
COSMIC RAYS
,
GAMMA RAY BACKGROUND
,
MICROWAVE BACKGROUND
,
RADIO BACKGROUND
,
ULTRAVIOLET BACKGROUND
,
X RAY BACKGROUND
|
ANISOTROPY
,
COSMIC NOISE
,
SKY BRIGHTNESS
,
SUNYAEV ZELDOVICH EFFECT
|
| |
|
BAILEY TYPES (BaileyTypes)
|
|
|
ab variable stars
|
RR LYRAE STARS
|
|
|
| |
|
BAILYS BEADS (BailysBeads)
|
|
|
|
|
|
DIAMOND RING EFFECT
,
SOLAR ECLIPSE
,
SUN
|
| |
|
BAKER NUNN CAMERAS (BakerNunnCameras)
|
|
|
|
CATADIOPTRIC SYSTEMS
,
METEOR CAMERAS
,
REFLECTING TELESCOPES
,
WIDE FIELD TELESCOPES
|
|
BOUWERS TELESCOPES
,
SCHMIDT TELESCOPES
|
| |
|
BALLOON BORNE INSTRUMENTS (BalloonBorneInstruments)
|
|
|
|
|
|
AIRPLANE BORNE INSTRUMENTS
,
COSMIC RAY ASTRONOMY
,
GAMMA RAY ASTRONOMY
,
GROUND BASED ASTRONOMY
,
ROCKET BORNE INSTRUMENTS
,
SATELLITE BORNE INSTRUMENTS
,
SPACE PROBE INSTRUMENTS
,
SPACE TELESCOPES
,
ULTRAVIOLET ASTRONOMY
,
X RAY ASTRONOMY
|
| |
|
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 |
|---|
|
BALMER CONTINUUM (BalmerContinuum)
|
|
|
|
|
|
BALMER SERIES
,
HYDROGEN SPECTRUM
|
| |
|
BALMER LIMIT (BalmerLimit)
|
|
|
|
|
|
BALMER SERIES
,
HYDROGEN SPECTRUM
|
| |
|
BALMER SERIES (BalmerSeries)
|
|
|
balmer lines
|
|
|
ABSORPTION SPECTRA
,
BALMER CONTINUUM
,
BALMER LIMIT
,
BRACKETT SERIES
,
H ALPHA
,
H BETA
,
HYDROGEN SPECTRUM
,
LYMAN SERIES
,
PASCHEN SERIES
,
PFUND SERIES
|
| |
|
BARIUM STARS (BariumStars)
|
|
|
Ba II stars
|
|
SEMIBARIUM STARS
|
HEAVY METAL STARS
,
S STARS
|
| |
|
BARRED SPIRAL GALAXIES (BarredSpiralGalaxies)
|
|
|
galactic bars
|
GALAXIES
,
SPIRAL GALAXIES
|
|
|
| |
|
BARYONIC DARK MATTER (BaryonicDarkMatter)
|
|
|
|
|
|
BARYON STARS
,
COLD DARK MATTER
|
| |
|
BARYONS (Baryons)
|
|
|
|
ELEMENTARY PARTICLES
|
|
BARYON STARS
,
QUARKS
|
| |
|
BARYON STARS (BaryonStars)
|
|
|
|
|
|
BARYONIC DARK MATTER
,
BARYONS
|
| |
|
BASINS (Basins)
|
|
|
|
|
|
CRATERS
|
| |
|
b BAND (bBand)
|
|
|
|
FRAUNHOFER LINES
,
MOLECULAR BANDS
|
|
MOLECULAR SPECTRA
|
| |
|
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 |
|---|
|
B DWARF STARS (BDwarfStars)
|
|
|
|
B STARS
,
DWARF STARS
|
GAMMA CASSIOPEIAE STARS
|
|
| |
|
BEAM SWITCHING (BeamSwitching)
|
|
|
|
|
|
RADIO TELESCOPES
|
| |
|
BEAM WAVEGUIDES (BeamWaveguides)
|
|
|
|
|
|
COLLIMATORS
|
| |
|
BEAMWIDTH (Beamwidth)
|
|
|
|
|
|
ANGULAR RESOLUTION
,
POLAR DIAGRAM
,
RADIO TELESCOPES
|
| |
|
BEDIASITES (Bediasites)
|
|
|
|
METEORITES
,
TEKTITES
|
|
AUSTRALITES
,
CHONDRITES
,
MOLDAVITES
|
| |
|
BESSELIAN EPOCH (BesselianEpoch)
|
|
|
|
EPOCH
,
STANDARD EPOCH
|
|
JULIAN EPOCH
,
TIME
|
| |
|
Be STARS (BeStars)
|
|
|
Be dwarf stars
,
herbig stars
|
B STARS
,
EARLY TYPE EMISSION STARS
|
LAMBDA ERIDANI STARS
|
Ae STARS
,
CIRCUMSTELLAR SHELLS
|
| |
|
BETA CEPHEI STARS (BetaCepheiStars)
|
|
|
beta canis majoris stars
,
ultra short period B stars
,
ultra short period variable stars
|
EARLY TYPE VARIABLE STARS
,
MULTIPERIODIC VARIABLE STARS
,
PULSATING VARIABLE STARS
,
SHORT PERIOD VARIABLE STARS
|
|
NONRADIAL PULSATIONS
,
RADIAL PULSATIONS
|
| |
|
BETA LYRAE STARS (BetaLyraeStars)
|
|
|
|
CLOSE BINARY STARS
,
CONTACT BINARY STARS
,
ECLIPSING BINARY STARS
,
ELLIPSOIDAL VARIABLE STARS
|
|
|
| |
|
B GIANT STARS (BGiantStars)
|
|
|
|
B STARS
,
GIANT STARS
|
|
|
| |
|
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 |
|---|
|
BIANCHI COSMOLOGY (BianchiCosmology)
|
|
|
|
COSMOLOGY
|
|
|
| |
|
BIG BANG THEORY (BigBangTheory)
|
|
|
|
COSMOLOGY
|
|
CLOSED UNIVERSE
,
EARLY UNIVERSE
,
FRIEDMANN UNIVERSE
,
HADRON BARRIER
,
HUBBLE RADIUS
,
HUBBLE TIME
,
LEMAITRE UNIVERSE
,
OPEN UNIVERSE
,
PRIMORDIAL FIREBALL
,
RELATIVISTIC VELOCITY
,
STEADY STATE THEORY
|
| |
|
BINARY PULSARS (BinaryPulsars)
|
|
|
|
PULSARS
|
|
|
| |
|
BINARY STARS (BinaryStars)
|
|
|
binaries
,
binary systems
,
double stars
,
wide binary stars
|
|
ALGOL VARIABLE STARS
,
ASTROMETRIC BINARY STARS
,
CATACLYSMIC VARIABLE STARS
,
CLOSE BINARY STARS
,
CONTACT BINARY STARS
,
DETACHED BINARY STARS
,
ECLIPSING BINARY STARS
,
ELLIPSOIDAL VARIABLE STARS
,
ERUPTIVE BINARY STARS
,
INTERACTING BINARY STARS
,
RS CANUM VENATICORUM STARS
,
SEMIDETACHED BINARY STARS
,
SPECTROSCOPIC BINARY STARS
,
VISUAL BINARY STARS
|
ACCRETION
,
APOCENTER
,
CENTER OF MASS
,
COMPANION STARS
,
DYNAMICAL PARALLAX
,
INCLINATION
,
MASS LOSS
,
MASS RATIOS
,
MULTIPLE STARS
,
OCCULTATIONS
,
ORBIT DETERMINATION
,
ORBITS
,
PERIOD
,
PERIOD CHANGE
,
PERIOD DETERMINATION
,
PHASE [WAVE]
,
POSITION ANGLE
,
RUNAWAY STARS
,
SEMIMAJOR AXIS
,
SEPARATION
,
TWO BODY PROBLEM
,
VON ZEIPEL THEOREM
|
Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.
|
| |
|
BIPOLAR GALAXIES (BipolarGalaxies)
|
|
|
|
GALAXIES
|
|
|
| |
|
BIPOLAR GROUPS (BipolarGroups)
|
|
|
|
SUNSPOT GROUPS
|
|
SUNSPOTS
|
| |
|
BIPOLAR NEBULAE (BipolarNebulae)
|
|
|
|
NEBULAE
|
|
BIPOLAR OUTFLOWS
|
| |
|
BIPOLAR OUTFLOWS (BipolarOutflows)
|
|
|
bipolar flows
|
|
|
BIPOLAR NEBULAE
,
CIRCUMSTELLAR MATTER
,
RADIO SOURCES
,
RADIO STRUCTURE
|
| |
|
BIRTH RATES (BirthRates)
|
|
|
|
|
|
MASS FUNCTION
,
PROTOSTARS
,
STAR FORMATION
,
STELLAR EVOLUTION
|
| |
|
BLACK BODY RADIATION (BlackBodyRadiation)
|
|
|
thermal black body radiation
|
RADIATION
|
|
BRIGHTNESS TEMPERATURE
,
EMISSIVITY
,
THERMAL RADIATION
,
ULTRAVIOLET 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 |
|---|
|
BLACK DWARF STARS (BlackDwarfStars)
|
|
|
|
DWARF STARS
,
LOW MASS STARS
|
|
WHITE DWARF STARS
|
| |
|
BLACK HOLES (BlackHoles)
|
|
|
|
COLLAPSED STARS
,
COMPACT OBJECTS
,
DEGENERATE MATTER
,
RELATIVISTIC STARS
|
KERR BLACK HOLE
|
ACCRETION DISKS
,
ERGOSPHERE
,
EVENT HORIZON
,
GALACTIC NUCLEI
,
GRAVITATIONAL COLLAPSE
,
GRAVITATIONAL LENSES
,
HAWKING RADIATION
,
KRUSKAL DIAGRAM
,
MASSIVE OBJECTS
,
NAKED SINGULARITY
,
PENROSE PROCESS
,
RELATIVISTIC ASTROPHYSICS
,
SCHWARZSCHILD RADIUS
,
SPACETIME SINGULARITY
,
SUPERNOVA REMNANTS
,
WHITE HOLES
,
X RAY BINARY STARS
|
| |
|
BLANK FIELDS (BlankFields)
|
|
|
|
|
|
GALAXY VOIDS
|
| |
|
BLAZARS (Blazars)
|
|
|
|
ACTIVE GALACTIC NUCLEI
|
|
BL LACERTAE OBJECTS
,
QUASARS
|
| |
|
BLAZHKO EFFECT (BlazhkoEffect)
|
|
|
|
|
|
RR LYRAE STARS
|
| |
|
BL HERCULIS STARS (BlHerculisStars)
|
|
|
|
PULSATING VARIABLE STARS
,
W VIRGINIS STARS
|
|
CEPHEIDS
,
RADIAL PULSATIONS
,
RR LYRAE STARS
|
| |
|
BLINK COMPARATORS (BlinkComparators)
|
|
|
|
INSTRUMENTATION
|
|
|
| |
|
BLINKING (Blinking)
|
|
|
|
|
|
|
Combine with other terms
|
| |
|
BL LACERTAE OBJECTS (BlLacertaeObjects)
|
|
|
bl lac objects
|
COMPACT OBJECTS
,
EXTRAGALACTIC RADIO SOURCES
,
GALAXIES
,
VARIABLE SOURCES
|
|
ACTIVE GALACTIC NUCLEI
,
BLAZARS
,
COMPACT GALAXIES
,
QUASARS
,
SEYFERT GALAXIES
|
| |
|
BLUE GALAXIES (BlueGalaxies)
|
|
|
|
BLUE OBJECTS
,
GALAXIES
|
|
|
| |
|
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 |
|---|
|
BLUE OBJECTS (BlueObjects)
|
|
|
|
|
BLUE GALAXIES
|
|
| |
|
BLUE SHIFT (BlueShift)
|
|
|
|
DOPPLER EFFECT
,
LINE SHIFT
|
|
FREQUENCY SHIFT
|
| |
|
BLUE STRAGGLER STARS (BlueStragglerStars)
|
|
|
|
MAINSEQUENCE STARS
,
YOUNG STARS
|
|
OPEN STAR CLUSTERS
|
| |
|
B MAGNITUDE (BMagnitude)
|
|
|
|
APPARENT MAGNITUDES
|
|
JOHNSON PHOTOMETRY
|
| |
|
BODES LAW (BodesLaw)
|
|
|
titius bode law
|
|
|
DISTANCE
,
PLANETS
,
SOLAR SYSTEM
|
| |
|
BOK GLOBULES (BokGlobules)
|
|
|
|
DARK NEBULAE
,
GLOBULES
,
INTERSTELLAR MATTER
|
|
H II REGIONS
,
PROTOSTARS
,
STAR FORMATION
|
| |
|
BOLIDES (Bolides)
|
|
|
|
METEORS
|
|
FIREBALLS
|
| |
|
BOLOMETERS (Bolometers)
|
|
|
|
INSTRUMENTATION
|
|
BOLOMETRIC CORRECTION
,
PHOTOMETERS
,
RADIATION
,
RADIOMETERS
|
| |
|
BOLOMETRIC CORRECTION (BolometricCorrection)
|
|
|
|
|
|
BOLOMETERS
|
| |
|
BOSE EINSTEIN NUCLEI (BoseEinsteinNuclei)
|
|
|
|
NUCLEI [ATOMS]
|
|
BOSE EINSTEIN STATISTICS
,
FERMI DIRAC NUCLEI
|
| |
|
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 |
|---|
|
BOSE EINSTEIN STATISTICS (BoseEinsteinStatistics)
|
|
|
|
|
|
BOSE EINSTEIN NUCLEI
,
BOSONS
,
FERMI DIRAC STATISTICS
|
| |
|
BOSONS (Bosons)
|
|
|
|
ELEMENTARY PARTICLES
,
PARTICLES
|
ALPHA PARTICLES
,
COMPOSITE PARTICLES
,
MESONS
,
PHOTONS
,
PIONS
|
BOSE EINSTEIN STATISTICS
,
FERMIONS
,
HADRONS
,
LEPTONS
|
| |
|
BOUNDARY LAYERS (BoundaryLayers)
|
|
|
|
|
|
ATMOSPHERES
,
PLANETS
|
| |
|
BOUND FREE TRANSITIONS (BoundFreeTransitions)
|
|
|
|
|
|
ABSORPTION LINES
,
ABSORPTION SPECTRA
|
| |
|
BOUWERS TELESCOPES (BouwersTelescopes)
|
|
|
|
CATADIOPTRIC SYSTEMS
,
REFLECTING TELESCOPES
|
|
BAKER NUNN CAMERAS
,
MAKSUTOV TELESCOPES
,
WIDE FIELD TELESCOPES
|
| |
|
BOW SHOCKS (BowShocks)
|
|
|
|
SHOCK WAVES
|
|
|
| |
|
Bp STARS (BpStars)
|
|
|
|
B STARS
,
MAGNETIC STARS
,
PECULIAR STARS
|
|
|
| |
|
BRACKETT SERIES (BrackettSeries)
|
|
|
|
INFRARED RADIATION
|
|
BALMER SERIES
,
HYDROGEN SPECTRUM
,
LYMAN SERIES
,
PASCHEN SERIES
,
PFUND SERIES
|
| |
|
BREMSSTRAHLUNG (Bremsstrahlung)
|
|
|
free free transition
|
ELECTROMAGNETIC WAVES
,
RADIATION
|
|
ELECTRONS
,
RADIATION MECHANISMS
,
SPECTRA
,
SYNCHROTRON RADIATION
|
| |
|
BRIDGES (Bridges)
|
|
|
|
|
|
|
Between galaxies.
|
| |
|
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 |
|---|
|
BRIGHT GALAXIES (BrightGalaxies)
|
|
|
|
GALAXIES
|
|
LOCAL GROUP OF GALAXIES
,
NEARBY GALAXIES
|
| |
|
BRIGHT NEBULAE (BrightNebulae)
|
|
|
|
NEBULAE
|
|
|
| |
|
BRIGHTNESS (Brightness)
|
|
|
|
OPTICAL PROPERTIES
|
SURFACE BRIGHTNESS
|
ILLUMINATION
,
INTEGRATION TIME
,
INTENSITY
,
LUMINOSITY
,
MAGNITUDES
|
| |
|
BRIGHTNESS DISTRIBUTION (BrightnessDistribution)
|
|
|
|
|
|
|
See LUMINOSITY DISTRIBUTION
|
| |
|
BRIGHTNESS TEMPERATURE (BrightnessTemperature)
|
|
|
|
TEMPERATURE
|
|
BLACK BODY RADIATION
,
LUMINOSITY DISTRIBUTION
,
OPTICAL PROPERTIES
|
| |
|
BRILLOUIN SCATTERING (BrillouinScattering)
|
|
|
|
|
|
BRILLOUIN SPECTRA
,
MIE SCATTERING
|
| |
|
BRILLOUIN SPECTRA (BrillouinSpectra)
|
|
|
|
SPECTRA
|
|
BRILLOUIN SCATTERING
,
LIGHT SCATTERING
|
| |
|
BROAD BAND PHOTOMETRY (BroadBandPhotometry)
|
|
|
wide band photometry
|
CCD PHOTOMETRY
,
PHOTOELECTRIC PHOTOMETRY
,
PHOTOGRAPHIC PHOTOMETRY
|
BV PHOTOMETRY
,
CAPE PHOTOMETRY
,
CAPE RI PHOTOMETRY
,
INFRARED PHOTOMETRY
,
JOHNSON PHOTOMETRY
,
RGU PHOTOMETRY
,
TWO COLOR PHOTOMETRY
,
UBVRIJKL PHOTOMETRY
,
ULTRAVIOLET PHOTOMETRY
|
MEDIUM BAND PHOTOMETRY
,
NARROW BAND PHOTOMETRY
|
| |
|
BROWN DWARF STARS (BrownDwarfStars)
|
|
|
|
DWARF STARS
,
LOW MASS STARS
|
|
|
| |
|
B STARS (BStars)
|
|
|
|
EARLY TYPE STARS
,
OB STARS
,
YOUNG STARS
|
53 PERSEI STARS
,
B DWARF STARS
,
B GIANT STARS
,
B SUBDWARF STARS
,
B SUPERGIANT STARS
,
Be STARS
,
Bp STARS
,
Bw STARS
,
MERCURY MANGANESE STARS
|
EARLY TYPE VARIABLE STARS
,
O CLUSTERS
,
SPECTRAL TYPES
|
| |
|
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 |
|---|
|
B SUBDWARF STARS (BSubdwarfStars)
|
|
|
|
B STARS
,
SUBDWARF STARS
|
|
|
| |
|
B SUPERGIANT STARS (BSupergiantStars)
|
|
|
|
B STARS
,
EARLY TYPE SUPERGIANT STARS
,
OB SUPERGIANT STARS
,
SUPERGIANT STARS
|
|
|
| |
|
BULGES (Bulges)
|
|
|
|
|
|
|
Combine with other terms
|
| |
|
BURSTERS (Bursters)
|
|
|
|
|
|
BURSTS
,
GAMMA RAY BURSTS
,
OPTICAL BURSTS
,
RADIO BURSTS
,
X RAY BURSTS
|
| |
|
BURSTS (Bursts)
|
|
|
|
|
GAMMA RAY BURSTS
,
OPTICAL BURSTS
,
OUTBURSTS
,
RADIO BURSTS
,
RAPID BURSTS
,
X RAY BURSTS
|
BURSTERS
,
FLARES
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BUTTERFLY DIAGRAM (ButterflyDiagram)
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SOLAR ACTIVITY
,
SOLAR CYCLE
,
SUNSPOT CYCLE
,
SUNSPOT NUMBERS
,
SUNSPOTS
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| |
|
BV PHOTOMETRY (BvPhotometry)
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|
|
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BROAD BAND PHOTOMETRY
|
|
JOHNSON PHOTOMETRY
,
TWO COLOR PHOTOMETRY
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Bw STARS (BwStars)
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|
|
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B STARS
,
HELIUM POOR STARS
|
|
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|
BY DRACONIS STARS (ByDraconisStars)
|
|
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FLARE STARS
|
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STARSPOTS
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