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astronomer
noun
a
scientist
who
studies
the
Sun
,
Moon
,
stars
,
planets
,
and
other
objects
in
outer
space
•
The
astronomer
pointed
her
telescope
at
Jupiter
to
look
for
its
faint
rings
.
The
astronomer
pointed
her
telescope
at
Jupiter
to
look
for
its
faint
rings
.
•
Ancient
astronomers
used
only
their
eyes
to
map
the
night
sky
.
Ancient
astronomers
used
only
their
eyes
to
map
the
night
sky
.
Late
Middle
English
:
from
Greek
astronomos
‘
star
arranger
’,
from
astron
‘
star
’
+
nomos
‘
arranging
’.
