The
____________________
is
empty
space
and
everything
in
it
____________________
is
the
study
of
stars
,
planets
,
constellations
,
etc
A
____________________
____________________
is
a
vechicle
that
carries
cameras
and
other
tools
to
take
photos
outer
space
____________________
is
the
smallest
planet
in
the
solar
system
____________________
is
Saturn's
largest
moon
