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1288 "L"
Nuffield Radio Astronomy
Laboratory
laboratory
astrophysics
laboratory
source
laboratory
spectrum
lag
Lagrange's
equations
Lagrangian
point
Lα
Lα
line
Lα-
radiation
Lα-
λ/2
λ=21
λ/4
λ/4
criterion
λ/8
λ/8
criterion
Λ-interaction
Λ(-type)
doubling
S,
Λ-
Λ-
Lambert
law
Lamb(-Rutherford)
shift
laminar
stream
tungsten
lamp
Lande
(g-)formula
Lande
g-Value
Lande
interval rule
Lande's
splitting factor
soft
landing
lunar
landscape
dust
lane
Lanphier
shutter
lanthanides
lanthanum
eyepiece
lanthanum
glass
pitch
lap
Laplace's
operator
La
Plata observatory
Laporte
rule
adiabatic
lapse
rate
universe in the
large
large-aperture
telescope
large-area
photomultiplier
Very
large
array
large
binocular telescope
large
diameter source
large
flare
large
flare event
large
microwave outbursts
Atacama
large
millimeter array
large
observatory
large
outburst
large
outbursts of microwave radiation
large
radio telescope
large
reflector
large-scale
large-scale
galactic motions
large-scale
motions
large-scale
structure
the
largest
optical telescope
Very
Large
Telescope
large
transit
large
zenith telescope
Larmor
frequency
Larmor
precession
Las
Campanas observatory
ruby
laser
laser
collimator
laser
spark
La
Silla observatory
last
quarter
last
stage
latent
image
lateral
angle
lateral
refraction
lateral
support assembly
late
spectral types
late-type
late(-type)
stars
ecliptic
latitude
true
latitude
at date
latitude
difference
latitude
distribution
latitude
observations
latitude
of exposure
at low
latitudes
latitude
service
latitude
stars
latitude
station
latitudinal
lattice
arrangement
lattice
vibrations
Laue
pattern
launch
launching
launching
vehicle
lava
bed
lava
crater
lava
flow
lava
pool
Wien's
law
photographic reciprocity
law
failure
law
of areas
law
of Bunsen and Roscoe
law
of darkening
Hartley's
law
of doublet separating
Newton's
law
of gravitation
alternation
law
of multiplicities
law
of polarity
law
of refraction
law
of universal gravitation
law
of zones
Fred
Lawrence
Whipple observatory
Kirchhoff's
laws
laws
of planetary motion
Appleton
layer
solar model in deeper
layers
leader
leader
spot
leading
edge
leading
spot
leading
sunspot
lead
sulphide cell
leap
month
leap
year
leap-year
circle of
least
confusion
least
squares fit
least
squares method
least-squares
solution
solar(-spectrum)
ledger
legal
day
Legendre
function
Fried's coherence
length
lengthening
lengthening
of the day
length
of exposure
transfer
lens
lens
antenna
lens
astrograph
lens
auxiliary lens
lens
carrier
lens
cell
lens
curvature
lens
distortion
lens
distortion correction
lens
efficiency
lens-mirror
camera
lens
power
single
lens
reflex camera
lens
shutter
lens
speed
lens
system
meniscus
lens
with concentric surfaces
significance
level
level
adjustment
level-crossing
method
energy
level
diagram
level
error
enhanced
(level)
radiation
level
reading
population of
levels
level
surface
level
width
lever
counterpoise
levers
liberation
of gases
first point of
Libra
physical
libration
libration
effect
libration
in latitude
libration
in longitude
libration
point
Lick
observatory
Lick
refractor
Lick
system
life
magnetic
life
history of sun-spot
life
of developer
natural
life
time
lifetime
Ligand
field
visible
light
light
absorption
light
adaptation
light
beam
light
bridge
light
bucket
light
cell
light
curve
light-curve
light
detector
light
distribution
angular
light-distribution
light
distribution in seeing image
light
efficiency
ratio of radio to
light
emission
lightening
lighter
light
filter
light
fog
light
gathering power
light-gathering
power
light
grasp
light-grasp
ambient
light
illumination
light
image
light
intensity
light
interference
velocity of
light
in vacuum
light
loss
light
minute
light
nebula
globe
lightning
light
path
light-path
light
pollution
light
pollution rejection filter
light
pressure
light
propagation
light
pulse
light
quantum
light
ray