|
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 |
|---|
|
MACRO SPICULES (MacroSpicules)
|
|
|
|
SPICULES
|
|
CHROMOSPHERE
,
SUN
|
| |
|
MACROTURBULENCE (Macroturbulence)
|
|
|
|
TURBULENCE [EARTH ATMOSPHERE]
,
TURBULENCE [STAR ATMOSPHERE]
|
|
ATMOSPHERES
,
STELLAR STRUCTURE
|
| |
|
MAGELLANIC CLOUDS (MagellanicClouds)
|
|
|
clouds of magellan
|
GALAXIES
,
IRREGULAR GALAXIES
,
LOCAL GROUP OF GALAXIES
,
NEARBY GALAXIES
|
LARGE MAGELLANIC CLOUD
,
SMALL MAGELLANIC CLOUD
|
MAGELLANIC STREAM
|
| |
|
MAGELLANIC STREAM (MagellanicStream)
|
|
|
|
|
|
MAGELLANIC CLOUDS
|
| |
|
MAGNETIC ANOMALIES (MagneticAnomalies)
|
|
|
|
ANOMALIES
|
|
GRAVITY ANOMALIES
,
MAGNETIC PROPERTIES
|
| |
|
MAGNETIC DISTURBANCES (MagneticDisturbances)
|
|
|
|
|
|
AURORAS
,
MAGNETIC PROPERTIES
|
| |
|
MAGNETIC FIELDS (MagneticFields)
|
|
|
|
|
GEOMAGNETIC FIELD
,
INTERPLANETARY MAGNETIC FIELDS
,
INTERSTELLAR MAGNETIC FIELDS
|
DYNAMO THEORY
,
FORCE
,
MAGNETIC MONOPOLES
,
MAGNETIC POLES
,
MAGNETIC PROPERTIES
,
MAGNETIC VARIABLE STARS
,
MAGNETOHYDRODYNAMICS
,
MAGNETOSPHERE
,
PALEOMAGNETISM
,
PASCHEN BACK EFFECT
,
SUNSPOTS
|
| |
|
MAGNETIC MONOPOLES (MagneticMonopoles)
|
|
|
|
|
|
MAGNETIC FIELDS
,
MAGNETIC POLES
|
| |
|
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 |
|---|
|
MAGNETIC POLES (MagneticPoles)
|
|
|
|
|
|
AURORAS
,
MAGNETIC FIELDS
,
MAGNETIC MONOPOLES
,
MAGNETIC STORMS
,
MAGNETIC VARIABLE STARS
|
| |
|
MAGNETIC PROPERTIES (MagneticProperties)
|
|
|
|
PROPERTIES
|
|
MAGNETIC ANOMALIES
,
MAGNETIC DISTURBANCES
,
MAGNETIC FIELDS
,
MAGNETIC STARS
|
| |
|
MAGNETIC STARS (MagneticStars)
|
|
|
cobalt stars
|
PECULIAR STARS
|
Am STARS
,
Bp STARS
,
MAGNETIC VARIABLE STARS
,
MANGANESE STARS
,
MERCURY MANGANESE STARS
|
Ap STARS
,
MAGNETIC PROPERTIES
,
OBLIQUE ROTATORS
,
SPECTRUM VARIABLE STARS
,
STRONTIUM STARS
|
| |
|
MAGNETIC STORMS (MagneticStorms)
|
|
|
|
|
MAGNETOSPHERIC SUBSTORMS
|
AURORAS
,
MAGNETIC POLES
,
MAGNETOSPHERE
,
SOLAR ACTIVITY
,
SUNSPOTS
|
| |
|
MAGNETIC VARIABLE STARS (MagneticVariableStars)
|
|
|
|
INTRINSIC VARIABLE STARS
,
MAGNETIC STARS
|
ALPHA2 CANUM VENATICORUM STARS
,
Am STARS
,
SX ARIETIS STARS
|
Ap STARS
,
MAGNETIC FIELDS
,
MAGNETIC POLES
|
| |
|
MAGNETOGRAPHS (Magnetographs)
|
|
|
|
INSTRUMENTATION
|
|
|
| |
|
MAGNETOHELIOGRAPHS (Magnetoheliographs)
|
|
|
|
INSTRUMENTATION
|
|
|
| |
|
MAGNETOHYDRODYNAMICS (Magnetohydrodynamics)
|
|
|
alfven waves
,
hydromagnetic waves
,
hydromagnetics
,
mhd
|
|
|
COSMIC ELECTRODYNAMICS
,
HYDRODYNAMICS
,
MAGNETIC FIELDS
,
PLASMA PHYSICS
,
PLASMA WAVES
,
SYNCHROTRON RADIATION
,
VAN ALLEN RADIATION BELTS
|
| |
|
MAGNETO OPTICAL EFFECTS (MagnetoOpticalEffects)
|
|
|
|
|
FARADAY EFFECT
,
POLARIZATION [CHARGE SEPARATION]
,
ZEEMAN SPLITTING
|
|
| |
|
MAGNETOSPHERE (Magnetosphere)
|
|
|
|
|
|
EARTH ATMOSPHERE
,
EXOSPHERE
,
MAGNETIC FIELDS
,
MAGNETIC STORMS
,
MAGNETOSPHERIC SUBSTORMS
,
UPPER ATMOSPHERE
|
| |
|
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 |
|---|
|
MAGNETOSPHERIC SUBSTORMS (MagnetosphericSubstorms)
|
|
|
|
MAGNETIC STORMS
|
|
MAGNETOSPHERE
|
| |
|
MAGNITUDES (Magnitudes)
|
|
|
|
|
ABSOLUTE MAGNITUDE
,
APPARENT MAGNITUDES
,
INTEGRATED MAGNITUDE
|
AMPLITUDES
,
BRIGHTNESS
,
INTENSITY
,
LIGHT CURVES
,
PHOTOMETRY
,
POGSON SCALE
|
Also see under APPARENT MAGNITUDES
|
| |
|
MAINSEQUENCE (Mainsequence)
|
|
|
|
|
|
DWARF STARS
,
HERTZSPRUNG RUSSELL DIAGRAM
,
MAINSEQUENCE STARS
,
TURNOFF POINT
,
ZERO AGE MAINSEQUENCE
|
| |
|
MAINSEQUENCE STARS (MainsequenceStars)
|
|
|
|
|
BLUE STRAGGLER STARS
,
DWARF STARS
|
MAINSEQUENCE
,
MASS LUMINOSITY RELATION
|
Only the broad classes are shown below. Specific types will be found under these, or from the Hierarchical List.
|
| |
|
MAJOR AXIS (MajorAxis)
|
|
|
|
|
|
|
See terms under SEMIMAJOR AXIS.
|
| |
|
MAKSUTOV TELESCOPES (MaksutovTelescopes)
|
|
|
|
CATADIOPTRIC SYSTEMS
,
REFLECTING TELESCOPES
|
|
BOUWERS TELESCOPES
,
SCHMIDT TELESCOPES
,
WIDE FIELD TELESCOPES
|
| |
|
MANGANESE STARS (ManganeseStars)
|
|
|
|
Ap STARS
,
MAGNETIC STARS
,
SPECTRUM VARIABLE STARS
|
|
|
| |
|
MANTLES (Mantles)
|
|
|
|
|
|
CRUST
,
CRUSTAL DYNAMICS
,
EARTH
,
LITHOSPHERES
,
MOON
,
PLANETS
|
| |
|
MAPS (Maps)
|
|
|
|
|
CONTOUR MAPS
,
X RAY MAPS
|
ATLASES
,
CATALOGS
,
FINDING CHARTS
,
PHOTOGRAMMETRY
,
PLANETS
,
RADAR MAPPING
,
SKY SURVEYS
,
STAR ATLASES
|
| |
|
MARIA (Maria)
|
|
|
|
|
|
MOON
,
SURFACES [CELESTIAL BODIES]
|
| |
|
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 |
|---|
|
MARKARIAN GALAXIES (MarkarianGalaxies)
|
|
|
|
EMISSION LINE GALAXIES
|
|
PECULIAR GALAXIES
,
SEYFERT GALAXIES
|
| |
|
MASCONS (Mascons)
|
|
|
|
|
|
GRAVITY ANOMALIES
,
MOON
|
| |
|
MASERS (Masers)
|
|
|
|
|
MEGAMASERS
,
OH MASERS
,
SiO MASERS
,
WATER MASERS
|
COHERENCE
,
ELECTRON PUMPING
,
INTERSTELLAR MATTER
,
INVERSE MASERS
,
LASERS
,
POPULATION INVERSION
,
RADIO RECOMBINATION LINES
,
RADIO SOURCES
,
STIMULATED EMISSION
|
| |
|
MASS (Mass)
|
|
|
|
|
|
CHANDRASEKHAR LIMIT
,
CHANDRASEKHAR SCHONBERG LIMIT
,
GRAVITATION
,
INITIAL MASS FUNCTION
,
MASS DENSITY
,
MASS EXCHANGE
,
MASS FLOW
,
MASS FUNCTION
,
MASS TO LIGHT RATIOS
,
MOMENTUM
,
SPECTROSCOPIC BINARY STARS
,
SURFACE GRAVITY
|
| |
|
MASS DENSITY (MassDensity)
|
|
|
|
DENSITY
|
|
MASS
|
| |
|
MASS EXCHANGE (MassExchange)
|
|
|
exchange of mass
|
|
|
CATACLYSMIC VARIABLE STARS
,
CONTACT BINARY STARS
,
ERUPTIVE BINARY STARS
,
MASS
,
MASS FLOW
,
MASS LOSS
,
MASS TRANSFER
|
| |
|
MASS FLOW (MassFlow)
|
|
|
|
|
|
MASS
,
MASS EXCHANGE
,
MASS LOSS
,
MASS TRANSFER
|
| |
|
MASS FUNCTION (MassFunction)
|
|
|
|
|
|
BIRTH RATES
,
MASS
,
MASS RATIOS
,
SPECTROSCOPIC BINARY STARS
,
STAR CLUSTERS
,
STAR COUNTS
|
| |
|
MASSIVE GALAXIES (MassiveGalaxies)
|
|
|
|
|
|
cD GALAXIES
,
CLUSTERS OF GALAXIES
,
D GALAXIES
|
| |
|
MASSIVE OBJECTS (MassiveObjects)
|
|
|
|
|
|
BLACK HOLES
,
GALACTIC NUCLEI
,
SEYFERT 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 |
|---|
|
MASSIVE STARS (MassiveStars)
|
|
|
|
|
|
MASS LOSS
,
SUPERMASSIVE STARS
|
| |
|
MASS LOSS (MassLoss)
|
|
|
mass ejection
|
|
|
BINARY STARS
,
CATACLYSMIC VARIABLE STARS
,
CIRCUMSTELLAR DISKS
,
CIRCUMSTELLAR ENVELOPES
,
CIRCUMSTELLAR MATTER
,
CIRCUMSTELLAR SHELLS
,
CORONAL MASS EJECTIONS
,
CORONAS
,
ERUPTIVE BINARY STARS
,
FU ORIONIS STARS
,
MASS EXCHANGE
,
MASS FLOW
,
MASS TRANSFER
,
MASSIVE STARS
,
NOVAS
,
P CYGNI LINE PROFILES
,
PLANETARY NEBULAE
,
STELLAR EVOLUTION
,
STELLAR WINDS
,
SUPERNOVAS
,
WOLF RAYET STARS
|
| |
|
MASS LUMINOSITY RELATION (MassLuminosityRelation)
|
|
|
|
|
|
MAINSEQUENCE STARS
|
| |
|
MASS RADIUS RELATION (MassRadiusRelation)
|
|
|
|
|
|
CHANDRASEKHAR LIMIT
,
DEGENERATE STARS
|
| |
|
MASS RATIOS (MassRatios)
|
|
|
|
|
|
BINARY STARS
,
INITIAL MASS FUNCTION
,
MASS FUNCTION
|
| |
|
MASS TO LIGHT RATIOS (MassToLightRatios)
|
|
|
|
|
|
GALAXIES
,
LUMINOSITY
,
MASS
,
MISSING MASS
|
| |
|
MASS TRANSFER (MassTransfer)
|
|
|
|
|
|
ACCRETION
,
CONVECTION
,
FLUID DYNAMICS
,
MASS EXCHANGE
,
MASS FLOW
,
MASS LOSS
|
| |
|
MATHEMATICAL ANALYSIS (MathematicalAnalysis)
|
|
|
|
|
DIFFERENTIAL EQUATIONS
|
CATASTROPHE THEORY
|
Combine with other terms
|
| |
|
MATHEMATICS (Mathematics)
|
|
|
|
|
|
|
Combine with other terms
|
| |
|
MATTER (Matter)
|
|
|
|
|
|
|
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 |
|---|
|
MAUNDER MINIMUM (MaunderMinimum)
|
|
|
|
|
|
SOLAR ACTIVITY
,
SUNSPOT CYCLE
,
SUNSPOT NUMBERS
|
| |
|
MAXIMA (Maxima)
|
|
|
|
PHOTOMETRIC ELEMENTS
|
|
LIGHT CURVES
,
MINIMA
,
VARIABLE STARS
,
VELOCITY CURVES
|
| |
|
MAXIMUM ENTROPY METHODS (MaximumEntropyMethods)
|
|
|
|
|
|
FOURIER ANALYSIS
,
FREQUENCY ANALYSIS
,
SPECTROSCOPIC ANALYSIS
|
| |
|
M DWARF STARS (MDwarfStars)
|
|
|
|
DWARF STARS
,
LATE TYPE DWARF STARS
,
M STARS
|
|
|
| |
|
MEAN EQUINOX (MeanEquinox)
|
|
|
|
EQUINOXES
|
|
PLANETS
|
| |
|
MEAN SOLAR TIME (MeanSolarTime)
|
|
|
|
TIME
|
|
CIVIL TIME
,
EPHEMERIS TIME
,
EQUATION OF TIME
,
UNIVERSAL TIME
|
| |
|
MEASUREMENT (Measurement)
|
|
|
|
|
|
DETERMINATION
,
MEASURING INSTRUMENTS
,
METROLOGY
,
QUANTIZATION
|
Combine with other terms
|
| |
|
MEASURING INSTRUMENTS (MeasuringInstruments)
|
|
|
|
|
ALTIMETERS
,
ATOMIC CLOCKS
,
CHRONOMETERS
,
CLOCKS
,
COUNTERS
,
DENSITOMETERS
,
HELIOMETERS
,
MICRODENSITOMETERS
,
MICROMETERS
,
MICROPHOTOMETERS
,
MONOCHROMATORS
,
PROPORTIONAL COUNTERS
,
RADIOMETERS
,
RANGE FINDERS
,
SENSITOMETERS
|
CALIBRATION
,
MEASUREMENT
|
| |
|
MECHANICAL COMPONENTS (MechanicalComponents)
|
|
|
|
|
|
|
Combine with other terms
|
| |
|
MECHANICAL PROPERTIES (MechanicalProperties)
|
|
|
|
PROPERTIES
|
|
|
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 |
|---|
|
MEDIUM BAND PHOTOMETRY (MediumBandPhotometry)
|
|
|
|
CCD PHOTOMETRY
,
PHOTOELECTRIC PHOTOMETRY
|
DDO PHOTOMETRY
,
GENEVA PHOTOMETRY
,
INFRARED PHOTOMETRY
,
STROMGREN PHOTOMETRY
,
ULTRAVIOLET PHOTOMETRY
,
VILNIUS PHOTOMETRY
,
WALRAVEN PHOTOMETRY
|
BROAD BAND PHOTOMETRY
,
NARROW BAND PHOTOMETRY
|
| |
|
MEGALITHIC ASTRONOMY (MegalithicAstronomy)
|
|
|
|
ARCHAEOASTRONOMY
|
|
|
| |
|
MEGAMASERS (Megamasers)
|
|
|
|
MASERS
|
|
|
| |
|
MERCURY MANGANESE STARS (MercuryManganeseStars)
|
|
|
|
B STARS
,
MAGNETIC STARS
|
|
|
| |
|
MERIDIAN CIRCLES (MeridianCircles)
|
|
|
|
TRANSIT INSTRUMENTS
|
|
ASTROMETRY
,
QUADRANTS
,
VERTICAL CIRCLES
|
| |
|
MERIDIAN OBSERVATIONS (MeridianObservations)
|
|
|
|
|
|
TRANSIT INSTRUMENTS
,
TRANSIT TELESCOPES
,
TRANSIT TIME
,
ZENITH TELESCOPES
|
| |
|
MESONS (Mesons)
|
|
|
|
BOSONS
,
ELEMENTARY PARTICLES
|
|
PHOTONS
,
QUARKS
|
| |
|
MESOPAUSE (Mesopause)
|
|
|
|
|
|
EARTH ATMOSPHERE
,
IONOSPHERE
,
MESOSPHERE
,
THERMOSPHERE
|
| |
|
MESOSPHERE (Mesosphere)
|
|
|
|
|
|
EARTH ATMOSPHERE
,
MESOPAUSE
,
STRATOPAUSE
,
UPPER ATMOSPHERE
|
| |
|
Me STARS (MeStars)
|
|
|
|
EMISSION LINE STARS
,
M STARS
|
|
LATE TYPE VARIABLE STARS
,
Me VARIABLE 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 |
|---|
|
METAGALAXY (Metagalaxy)
|
|
|
|
|
|
UNIVERSE
|
| |
|
METAL ABUNDANCE (MetalAbundance)
|
|
|
metallicity
|
ABUNDANCE
|
|
CNO ANOMALIES
,
DREDGE UP
,
HELIUM POOR STARS
,
HELIUM RICH STARS
,
HYDROGEN DEFICIENT STARS
,
METAL DEFICIENT STARS
,
METAL POOR STARS
,
METAL RICH STARS
,
OOSTERHOFF GROUPS
,
RARE EARTHS
,
TRACE ELEMENTS
|
| |
|
METAL DEFICIENT STARS (MetalDeficientStars)
|
|
|
|
|
|
METAL ABUNDANCE
,
METAL POOR STARS
,
ULTRAVIOLET EXCESS STARS
|
| |
|
METAL LINES (MetalLines)
|
|
|
|
SPECTRAL LINES
|
Ca II EMISSION LINES
,
CALCIUM LINES
,
CARBON LINES
,
TECHNETIUM LINES
|
ABSORPTION LINES
,
LINE BLANKETING
,
RARE EARTHS
|
| |
|
METAL POOR STARS (MetalPoorStars)
|
|
|
|
|
LITHIUM POOR STARS
,
WEAK G BAND STARS
|
METAL ABUNDANCE
,
METAL DEFICIENT STARS
,
ULTRAVIOLET EXCESS STARS
|
| |
|
METAL RICH STARS (MetalRichStars)
|
|
|
metallic line stars
|
|
Am STARS
,
SILICON STARS
|
METAL ABUNDANCE
|
| |
|
METEOR CAMERAS (MeteorCameras)
|
|
|
|
|
BAKER NUNN CAMERAS
|
|
| |
|
METEORITE CRATERS (MeteoriteCraters)
|
|
|
|
|
|
METEORITE IMPACTS
,
METEORITES
,
METEORS
|
| |
|
METEORITE IMPACTS (MeteoriteImpacts)
|
|
|
|
|
|
METEORITE CRATERS
,
METEORITES
,
METEORS
|
| |
|
METEORITES (Meteorites)
|
|
|
|
METEORS
|
ACHONDRITES
,
AEROLITES
,
ATAXITES
,
AUSTRALITES
,
BEDIASITES
,
CHONDRITES
,
IRON METEORITES
,
MICROMETEORITES
,
MOLDAVITES
,
TEKTITES
|
ABLATION
,
COLLISIONS
,
COMETS
,
IMPACT CRATERS
,
INTERPLANETARY MATTER
,
METEORITE CRATERS
,
METEORITE IMPACTS
,
MINOR PLANETS
,
NEUMANN LINES
|
| |
|
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 |
|---|
|
METEOROID DUST CLOUD (MeteoroidDustCloud)
|
|
|
|
|
|
COMETS
,
METEOROIDS
,
METEORS
,
MINOR PLANETS
,
ZODIACAL DUST
|
| |
|
METEOROIDS (Meteoroids)
|
|
|
meteorids
|
INTERPLANETARY DUST
,
INTERPLANETARY GRAINS
,
INTERPLANETARY MATTER
|
MICROMETEOROIDS
|
COMETS
,
METEOROID DUST CLOUD
,
METEORS
,
MINOR PLANETS
,
ZODIACAL DUST
|
| |
|
METEOROLOGY (Meteorology)
|
|
|
|
|
|
EARTH ATMOSPHERE
|
| |
|
METEORS (Meteors)
|
|
|
|
|
BOLIDES
,
FIREBALLS
,
METEORITES
|
CRATERS
,
METEOR SHOWERS
,
METEOR STREAMS
,
METEOR TRAILS
,
METEORITE CRATERS
,
METEORITE IMPACTS
,
METEOROID DUST CLOUD
,
METEOROIDS
,
RADIANT [METEORS]
|
| |
|
METEOR SHOWERS (MeteorShowers)
|
|
|
|
|
|
METEOR STREAMS
,
METEOR TRAILS
,
METEORS
,
RADIANT [METEORS]
,
ZENITH HOURLY RATE
|
Named showers not included.
|
| |
|
METEOR STREAMS (MeteorStreams)
|
|
|
|
|
|
COMETS
,
METEOR SHOWERS
,
METEOR TRAILS
,
METEORS
,
MINOR PLANETS
,
RADIANT [METEORS]
|
| |
|
METEOR TRAILS (MeteorTrails)
|
|
|
|
|
|
METEOR SHOWERS
,
METEOR STREAMS
,
METEORS
,
RADIANT [METEORS]
|
| |
|
METONIC CYCLE (MetonicCycle)
|
|
|
|
|
|
PHASE [MOON]
,
SAROS CYCLE
|
| |
|
METROLOGY (Metrology)
|
|
|
|
|
|
INSTRUMENTATION
,
MEASUREMENT
,
UNITS
|
| |
|
Me VARIABLE STARS (MeVariableStars)
|
|
|
|
EMISSION LINE STARS
,
LATE TYPE VARIABLE STARS
,
M GIANT STARS
|
|
Me STARS
|
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|
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 |
|---|
|
M GIANT STARS (MGiantStars)
|
|
|
|
GIANT STARS
,
LATE TYPE GIANT STARS
,
M STARS
|
Me VARIABLE STARS
|
M SUBGIANT STARS
|
| |
|
MICHELSON INTERFEROMETERS (MichelsonInterferometers)
|
|
|
|
OPTICAL INTERFEROMETERS
|
|
INTENSITY INTERFEROMETERS
,
MICHELSON INTERFEROMETRY
|
| |
|
MICHELSON INTERFEROMETRY (MichelsonInterferometry)
|
|
|
|
|
|
MICHELSON INTERFEROMETERS
,
OPTICAL INTERFEROMETRY
|
| |
|
MICRODENSITOMETERS (Microdensitometers)
|
|
|
|
MEASURING INSTRUMENTS
|
|
DENSITOMETERS
,
MICROPHOTOMETERS
,
PHOTOGRAPHS
|
| |
|
MICRODENSITOMETRY (Microdensitometry)
|
|
|
|
|
|
|
See MICRODENSITOMETERS.
|
| |
|
MICROLENSING (Microlensing)
|
|
|
|
|
|
GRAVITATIONAL LENSES
|
| |
|
MICROMETEORITES (Micrometeorites)
|
|
|
|
METEORITES
|
|
INTERPLANETARY MATTER
|
| |
|
MICROMETEOROIDS (Micrometeoroids)
|
|
|
|
METEOROIDS
|
|
|
| |
|
MICROMETERS (Micrometers)
|
|
|
|
MEASURING INSTRUMENTS
|
|
|
| |
|
MICROPHOTOMETERS (Microphotometers)
|
|
|
|
MEASURING INSTRUMENTS
|
|
MICRODENSITOMETERS
,
PHOTOGRAPHY
|
| |
|
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 |
|---|
|
MICROPROCESSORS (Microprocessors)
|
|
|
|
COMPUTERS
|
|
CONTROL SYSTEMS
|
| |
|
MICROTURBULENCE (Microturbulence)
|
|
|
|
TURBULENCE [EARTH ATMOSPHERE]
,
TURBULENCE [STAR ATMOSPHERE]
|
|
ABSORPTION LINES
,
ATMOSPHERES
|
| |
|
MICROWAVE ANTENNAS (MicrowaveAntennas)
|
|
|
|
ANTENNAS
|
|
MICROWAVE RADIATION
|
| |
|
MICROWAVE BACKGROUND (MicrowaveBackground)
|
|
|
|
BACKGROUND RADIATION
,
COSMIC NOISE
,
MICROWAVE RADIATION
|
|
GAMMA RAY BACKGROUND
,
RADIO BACKGROUND
,
SUNYAEV ZELDOVICH EFFECT
,
ULTRAVIOLET BACKGROUND
,
X RAY BACKGROUND
|
| |
|
MICROWAVE EMISSION (MicrowaveEmission)
|
|
|
|
|
|
COSMIC NOISE
|
| |
|
MICROWAVE IMAGING (MicrowaveImaging)
|
|
|
|
|
|
MICROWAVE RADIATION
|
| |
|
MICROWAVE RADIATION (MicrowaveRadiation)
|
|
|
|
RADIATION
|
MICROWAVE BACKGROUND
|
MICROWAVE ANTENNAS
,
MICROWAVE IMAGING
,
MILLIMETER RADIATION
,
REMOTE SENSING
|
| |
|
MICROWAVES (Microwaves)
|
|
|
|
|
|
MILLIMETER WAVES
|
Combine with other terms
|
| |
|
MICROWAVE SPECTRA (MicrowaveSpectra)
|
|
|
|
SPECTRA
|
|
RADIO SPECTRA
|
| |
|
MICROWAVE SPECTROSCOPY (MicrowaveSpectroscopy)
|
|
|
|
SPECTROSCOPY
|
|
|
| |
|
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 |
|---|
|
MIE SCATTERING (MieScattering)
|
|
|
|
SCATTERING
|
|
BRILLOUIN SCATTERING
,
RAYLEIGH SCATTERING
|
| |
|
MILKY WAY GALAXY (MilkyWayGalaxy)
|
|
|
galaxy [the]
,
the galaxy
|
GALAXIES
,
LOCAL GROUP OF GALAXIES
,
SPIRAL GALAXIES
|
|
GALACTIC ANTICENTER
,
GALACTIC BULGE
,
GALACTIC CENTER
,
GALACTIC COORDINATE SYSTEM
,
GALACTIC PLANE
,
GOULDS BELT
,
HIGH VELOCITY CLOUDS
,
HIGH VELOCITY STARS
,
SKY BRIGHTNESS
|
| |
|
MILLIMETER ASTRONOMY (MillimeterAstronomy)
|
|
|
|
RADIO ASTRONOMY
|
|
RADIO OBSERVATORIES
,
SATELLITE BORNE INSTRUMENTS
,
SUBMILLIMETER ASTRONOMY
|
| |
|
MILLIMETER RADIATION (MillimeterRadiation)
|
|
|
mm radiation
|
|
|
MICROWAVE RADIATION
|
| |
|
MILLIMETER WAVES (MillimeterWaves)
|
|
|
|
ELECTROMAGNETIC WAVES
|
|
MICROWAVES
|
| |
|
MILLS CROSS ANTENNAS (MillsCrossAntennas)
|
|
|
|
ANTENNAS
,
DIRECTIONAL ANTENNAS
,
RADIO TELESCOPES
|
|
PENCIL BEAMS
|
| |
|
MILNE EDDINGTON APPROXIMATION (MilneEddingtonApproximation)
|
|
|
|
|
|
LINE WIDTHS
,
SPECTROSCOPIC ANALYSIS
|
| |
|
MINERAL DEPOSITS (MineralDeposits)
|
|
|
|
|
|
MINERALOGY
|
| |
|
MINERALOGY (Mineralogy)
|
|
|
|
|
|
MINERAL DEPOSITS
|
| |
|
MINIMA (Minima)
|
|
|
|
PHOTOMETRIC ELEMENTS
|
|
LIGHT CURVES
,
MAXIMA
,
VARIABLE STARS
,
VELOCITY CURVES
|
| |
|
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 |
|---|
|
MINOR PLANET FAMILIES (MinorPlanetFamilies)
|
|
|
|
|
AMOR GROUP
,
APOLLO GROUP
,
HIRAYAMA FAMILIES
,
TROJAN GROUP
|
MINOR PLANETS
|
Not a complete list of terms.
|
| |
|
MINOR PLANETS (MinorPlanets)
|
|
|
planetoids
|
|
NEAR EARTH ASTEROIDS
|
ASTEROID BELT
,
INTERPLANETARY MATTER
,
KIRKWOOD GAPS
,
METEOR STREAMS
,
METEORITES
,
METEOROID DUST CLOUD
,
METEOROIDS
,
MINOR PLANET FAMILIES
,
PLANETESIMALS
,
RESONANCE GAPS
,
SOLAR SYSTEM
|
| |
|
MIRA VARIABLE STARS (MiraVariableStars)
|
|
|
miras
,
omicron ceti stars
,
zeta aurigae stars
|
EMISSION LINE STARS
,
IRREGULAR VARIABLE STARS
,
LATE TYPE GIANT STARS
,
LONG PERIOD VARIABLE STARS
,
PULSATING VARIABLE STARS
|
|
RADIAL PULSATIONS
,
S VULPECULAE STARS
,
SEMIREGULAR VARIABLE STARS
|
| |
|
MIRROR CELLS (MirrorCells)
|
|
|
|
|
|
MIRRORS
|
| |
|
MIRRORS (Mirrors)
|
|
|
|
OPTICAL COMPONENTS
|
DICHROIC MIRRORS
,
PRIMARY MIRRORS
,
TELESCOPE MIRRORS
|
ABERRATIONS
,
ALUMINIZING
,
ALUMINUM COATINGS
,
CATADIOPTRIC SYSTEMS
,
CATOPTRIC SYSTEMS
,
COATINGS
,
COLLIMATORS
,
FIGURING
,
GLASS
,
MIRROR CELLS
,
OPTICAL INSTRUMENTS
,
OPTICAL MATERIALS
,
POLISHING
,
REFLECTION
,
SURFACES [OPTICAL]
,
THIN FILMS
|
| |
|
MISSING MASS (MissingMass)
|
|
|
|
|
|
CLUSTERS OF GALAXIES
,
COSMOLOGY
,
MASS TO LIGHT RATIOS
,
VELOCITY DISPERSION
|
| |
|
MK CLASSIFICATION (MkClassification)
|
|
|
|
SPECTRAL CLASSIFICATION
|
LUMINOSITY CLASS
|
LUMINOSITY
,
SPECTRA
|
| |
|
M MAGNITUDE (MMagnitude)
|
|
|
|
APPARENT MAGNITUDES
|
|
FAR INFRARED RADIATION
,
INFRARED PHOTOMETRY
|
| |
|
MODELS (Models)
|
|
|
|
|
COMPUTER MODELS
,
ORRERIES
|
EQUILIBRIUM FIGURES
,
NUMERICAL SIMULATION
,
POLYTROPES
,
SIMULATION
,
STELLAR STRUCTURE
|
Combine with other terms
|
| |
|
MODULATION (Modulation)
|
|
|
|
|
|
|
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 |
|---|
|
MODULATION TRANSFER FUNCTION (ModulationTransferFunction)
|
|
|
mtf
|
TRANSFER FUNCTIONS
|
|
OPTICAL INSTRUMENTS
,
OPTICAL TESTING
,
OPTICAL TRANSFER FUNCTION
|
| |
|
MOLDAVITES (Moldavites)
|
|
|
|
METEORITES
,
TEKTITES
|
|
AUSTRALITES
,
BEDIASITES
,
CHONDRITES
|
| |
|
MOLECULAR ASTROPHYSICS (MolecularAstrophysics)
|
|
|
|
|
|
COSMOCHEMISTRY
,
MOLECULAR BANDS
,
MOLECULAR LINES
,
MOLECULAR SPECTROSCOPY
|
| |
|
MOLECULAR BANDS (MolecularBands)
|
|
|
|
SPECTRAL BANDS
|
b BAND
,
G BAND
,
PHILLIPS BANDS
,
SWAN BANDS
|
LATE TYPE STARS
,
MOLECULAR ASTROPHYSICS
,
MOLECULAR LINES
,
MOLECULAR SPECTRA
,
ZIRCONIUM STARS
|
| |
|
MOLECULAR CLOUDS (MolecularClouds)
|
|
|
|
INTERSTELLAR MATTER
|
GIANT MOLECULAR CLOUDS
|
INTERSTELLAR MOLECULES
,
MOLECULAR HYDROGEN
|
| |
|
MOLECULAR HYDROGEN (MolecularHydrogen)
|
|
|
|
INTERSTELLAR MOLECULES
,
MOLECULES
|
ORTHOHYDROGEN
,
PARAHYDROGEN
|
MOLECULAR CLOUDS
|
| |
|
MOLECULAR LINES (MolecularLines)
|
|
|
|
SPECTRAL LINES
|
|
FINE STRUCTURE
,
LATE TYPE STARS
,
MOLECULAR ASTROPHYSICS
,
MOLECULAR BANDS
,
SPECTRAL BANDS
|
| |
|
MOLECULAR SPECTRA (MolecularSpectra)
|
|
|
|
SPECTRA
|
P BRANCH
,
PHILLIPS BANDS
|
b BAND
,
G BAND
,
LATE TYPE STARS
,
MOLECULAR BANDS
,
MOLECULES
,
ORGANIC MOLECULES
,
Q BRANCH
,
RAMAN SPECTROSCOPY
,
SPECTRAL BANDS
,
SWAN BANDS
,
VIBRATIONAL SPECTRA
|
| |
|
MOLECULAR SPECTROSCOPY (MolecularSpectroscopy)
|
|
|
|
|
|
MOLECULAR ASTROPHYSICS
|
See MOLECULAR SPECTRA.
|
| |
|
MOLECULES (Molecules)
|
|
|
|
|
INTERSTELLAR MOLECULES
,
MOLECULAR HYDROGEN
,
ORGANIC MOLECULES
|
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 |
|---|
|
MOMENTUM (Momentum)
|
|
|
|
|
|
ANGULAR MOMENTUM
,
MASS
,
VELOCITY
|
| |
|
MONOCHROMATORS (Monochromators)
|
|
|
|
MEASURING INSTRUMENTS
,
OPTICAL INSTRUMENTS
|
|
|
| |
|
MONTE CARLO TECHNIQUES (MonteCarloTechniques)
|
|
|
|
DATA PROCESSING
|
|
STATISTICS
|
| |
|
MOON (Moon)
|
|
|
|
SATELLITES
|
|
ANOMALISTIC MONTH
,
APOGEE
,
CRATERS
,
CRUST
,
CRUSTAL DYNAMICS
,
EARTHSHINE
,
EQUATION OF THE CENTER
,
LIBRATION
,
LUNAR DOMES
,
LUNAR ECLIPSE
,
LUNAR LASER RANGING
,
LUNAR THEORY
,
MANTLES
,
MARIA
,
MASCONS
,
MOONQUAKES
,
NUTATION
,
OCCULTATIONS
,
PERIGEE
,
PHASE ANGLE
,
PHASE DEFECT
,
RAYS
,
REGRESSION OF NODES
,
SELENOLOGY
,
SOLAR ECLIPSE
,
SURFACES [CELESTIAL BODIES]
|
Earth's satellite. See under SATELLITES or PLANETS for more RTs. See also LUNAR.
|
| |
|
MOONQUAKES (Moonquakes)
|
|
|
|
|
|
EARTHQUAKES
,
MOON
|
| |
|
MORPHOLOGY (Morphology)
|
|
|
|
|
|
CLASSIFICATION
|
Combine with other terms
|
| |
|
MOTION (Motion)
|
|
|
|
|
APPARENT SUPERLUMINAL MOTION
,
APSIDAL MOTIONS
,
INTERNAL MOTIONS
,
ORBITAL MOTIONS
,
POLAR MOTION
,
PROPER MOTIONS
,
SOLAR MOTION
,
SPACE MOTION
,
STELLAR MOTIONS
,
WAVE MOTION
|
ORBITS
,
ORRERIES
,
PLANETARIA
|
Combine with other terms
|
| |
|
MOTTLES (Mottles)
|
|
|
|
|
|
CHROMOSPHERE
,
SUN
|
| |
|
MOVING CLUSTER PARALLAX (MovingClusterParallax)
|
|
|
cluster parallax
|
PARALLAXES
|
|
DYNAMICAL PARALLAX
,
KINEMATIC PARALLAX
,
OPEN STAR CLUSTERS
,
PROPER MOTIONS
,
RADIANT [MOVING CLUSTER]
,
SECULAR PARALLAX
|
| |
|
M REGIONS (MRegions)
|
|
|
|
SOLAR CORONA
|
|
|
| |
|
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 |
|---|
|
M STARS (MStars)
|
|
|
|
LATE TYPE STARS
|
M DWARF STARS
,
M GIANT STARS
,
M SUBDWARF STARS
,
M SUBGIANT STARS
,
M SUPERGIANT STARS
,
Me STARS
|
SPECTRAL TYPES
|
| |
|
M SUBDWARF STARS (MSubdwarfStars)
|
|
|
|
M STARS
,
SUBDWARF STARS
|
|
|
| |
|
M SUBGIANT STARS (MSubgiantStars)
|
|
|
|
M STARS
,
SUBGIANT STARS
|
|
M GIANT STARS
|
| |
|
M SUPERGIANT STARS (MSupergiantStars)
|
|
|
|
LATE TYPE SUPERGIANT STARS
,
M STARS
|
|
|
| |
|
MULTICHANNEL DETECTORS (MultichannelDetectors)
|
|
|
|
DETECTORS
|
CCD DETECTORS
,
DIODE ARRAYS
,
IMAGE TUBES
,
RETICON ARRAYS
,
TELEVISION DETECTORS
|
CHARGE COUPLED DEVICES
,
MULTICHANNEL SPECTROMETERS
|
| |
|
MULTICHANNEL SPECTROMETERS (MultichannelSpectrometers)
|
|
|
|
SPECTROMETERS
|
|
MULTICHANNEL DETECTORS
|
| |
|
MULTIPERIODIC PULSATION (MultiperiodicPulsation)
|
|
|
|
|
DOUBLE MODE PULSATION
|
FOURIER ANALYSIS
,
FREQUENCY ANALYSIS
,
MULTIPERIODIC VARIABLE STARS
,
PULSATING VARIABLE STARS
,
PULSATION MODES
|
| |
|
MULTIPERIODIC VARIABLE STARS (MultiperiodicVariableStars)
|
|
|
|
PULSATING VARIABLE STARS
|
BETA CEPHEI STARS
,
DELTA SCUTI STARS
,
DOUBLE MODE VARIABLE STARS
,
DWARF CEPHEIDS
,
RS CANUM VENATICORUM STARS
,
SX PHOENICIS STARS
,
ZZ CETI STARS
|
MULTIPERIODIC PULSATION
,
OVERTONE FREQUENCIES
,
OVERTONE MODES
,
PULSATION MODES
|
| |
|
MULTIPLE GALAXIES (MultipleGalaxies)
|
|
|
|
GALAXIES
|
|
CLUSTERS OF GALAXIES
,
GROUPS OF GALAXIES
|
| |
|
MULTIPLE MIRROR TELESCOPES (MultipleMirrorTelescopes)
|
|
|
mmt
|
NEW TECHNOLOGY TELESCOPES
,
OPTICAL TELESCOPES
,
REFLECTING TELESCOPES
|
|
ACTIVE OPTICS
,
SEGMENTED OPTICS
,
VERY LARGE TELESCOPES
|
| |
|
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 |
|---|
|
MULTIPLE STARS (MultipleStars)
|
|
|
triple stars
|
|
|
BINARY STARS
,
COMPANION STARS
,
ORBIT DETERMINATION
,
ORBITS
|
| |
|
MUONS (Muons)
|
|
|
|
LEPTONS
|
|
|
| |