Glossary
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A
Astronaut
atmosphere
awe
B
C
comets
commotion
D
dwarf
E
F
G
gaze
H
I
J
K
L
liquid
M
meteors
N
O
outer space
P
Q
R
S
solar system
space shuttle
T
thrill
U
V
W
X
Y
Z
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atmosphere
The air surrounding the earth.
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Glossary