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astro-ph
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A&ATr
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--
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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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50 "Y"
Yagi
Yagi
antenna
array of
Yagi
antennas
Yagis
Yale
bright star catalog
sidereal
year
yearly
secular
yellow
dwarf
yellow
line
yellow
region
yellow
spot
yellow
star
Yepun
Yerkes
refractor
Yerkes
spectral classification system
Yerkes
system
quantum
yield
ylem
fork
yoke
yoke
design
yoke
mounting
Yolo
telescope
Young's
modulus
young
star
y
()
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, ? :
info@astronet.ru