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astro-ph
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A&ATr
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
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P
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Q
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R
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S
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T
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U
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V
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W
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X
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Y
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Z
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1144 "B"
mirror
back
back
focal length
back
focus
Back-Goudsmit
effect
thermal
background
background
brightness
background
(brightness) temperature
background
component
background
continuous background of radiation
background
continuum
background
cosmic radiation
background
elimination
galactic
background
emission
background
fluctuation
background
galactic noise
background
intensity
background
level
background
noise
background
observations
background
of cosmic radiation
background
of emission
background
of extragalactic sources
general
background
of galactic radiation
background continuous
background
of radiation
background
of radio radiation
galactic
background
radiation
background
radio waves
background
sky
background
star
background
stars
background
subtraction
back
illuminated CCD
backlash
back
lens
back
of the Moon
mirror
back
pad
Back-Paschen
effect
back
scattering
backscatter(ing)
back
support
back
support assembly
back
support pad
three
back-support
points
backward
lobe
backward
movement
seeing very
bad
Badger's
equation
bad
seeing
baffle
Bahner
discontinuity
Baily's
beads
bake
Baker
meteor camera
Baker-Nunn
Baker-Nunn
camera
Baker
reflector-corrector
Baker-Schmidt
Baker-Schmidt
camera
baking
color
balance
detailed
balancing
dome
balcony
Baldet-Johnson
bands
fire
ball
ball
and claw mounting
preloaded
ball
bearing
Ballik-Ramsay
band
ball
mounting
balloon
balloon
astronomy
balloon-borne
balloon-borne
apparatus
balloon-borne
telescope
balloon
flight
balloon
observations
Balmer
absorption continuum
Balmer
alpha line
Balmer
continuum
Balmer
decrement
Balmer
discontinuity
Balmer
emission continuum
Balmer
formula
Balmer
jump
Balmer
law
Balmer
limit
Balmer
lines
Balmer
series
Canada
balsam
balun
wave
band
band
edge
band(ed)
spectrum
band
envelope
wide
band
filter
band
fluorescence
band
head
scheme of
band
heads
banding
band
lamp
band
of obscuring matter
band
of totality
band
origin
receiver
band
pass
band
pass filter
bandpass
filter
wide
band
photometry
band
profile
emission
band
progression
hading of
bands
band
scheme
limit of
band
series
bandshape
electronic
band
spectrum
band
splitting
band
strength
band
system
band
width
coherence
bandwidth
band
without head
Jodrell
Bank
Green
Bank
radio telescope
central
bar
barely
discernible
Barlow
lens
barn
door mounting
barrage
photocell
barred
spiral
barred
spiral galaxy
barrel
distortion
passage through potential
barrier
barrier
film
barrier-layer
cell
barrier-layer
photocell
barrier-layer
photoeffect
Bartels'
diagram
baryon
star
baryon
star model
paper
base
ground
based
astronomy
base
level
base
line
direction of
baseline
very long
base-line
interferometry
long
baseline
observations
base
of chromosphere
base
of prominence
basic
component
reflecting mercury
basin
stop
bath
solar
battery
battery
supply
Baumbach
formula
revised
Baumbach-formula
geomagnetic
bay
Bayer
name
B-component
BD
BD
catalog
BD
star
beaded
structure
Baily's
beads
pencil
beam
beam
efficiency
pencil
beam
instrument
pencil
beam
interferometer
beam-limiting
aperture
beam-limiting
device
electron
beam
parametric amplifier
beam
pattern
atomic
beam
resonance spectroscopy
pencil
beam
scan
beam
shape
beamshape
beam
splitter
beam
width
half-power
beamwidth
beam
width to half-power
upper polar(-axis)
bearing
polar(-axis)
bearings
Big
Bear
solar observatory
beat
period
lava
bed
Beer-Lambert
law
Beer's
law
before
day
noise
behind
the signal
Beijing
observatory
bell
metal
radiation
belt
belt
Jupiter's van Allen type belts
belt
of galactic emission
belt
of radiation
belt
of the Milky Way
van Allen
belts
photometric
bench
bending
bending
force constant
bending
vibration
Beral
Bergmann
series
Besselian
date
Besselian
day numbers
Besselian
(fictitious) year
Bessel's
day numbers
best
fit
β
β
Canis Majoris star
β
Lyrae βs
β
particles
beta
particles
beta
rays
β Lyrae
βs
β-
interactions
between
galaxies
line to
be
washed out
absorption
beyond
the series limit
biassed
error
biconcave
bi-concave
lens
biconcave
lens
biconvex
bi-convex
lens
biconvex
lens
bifilar
bi-filar
micrometer
bifurcate
bifurcated
F
Big
Bear solar observatory
close
binaries
visual
binary
binary
combination head
binary
digit
binary
star
close
binary
stars
close
binary
system
ionic
binding
binding
electron
binding
energy
binning