planetarium
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planetarium Definition
(n)
a
building
housing
an
instrument
for
projecting
the
positions
of
the
planets
onto
a
domed
ceiling
(n)
an
optical
device
for
projecting
images
of
celestial
bodies
and
other
astronomical
phenomena
onto
the
inner
surface
of
a
hemispherical
dome
(n)
an
apparatus
or
model
for
representing
the
solar
systems
planetarium Synonyms
planetarium
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