Stars
are
celestial
bodies
that
emit
their
____________________
light
.
For
this
reason
,
they
can
illuminate
other
celestial
bodies
.
Stars
are
very
____________________
but
they
appear
very
small
to
us
.
Stars
are
very
____________________
____________________
from
the
Earth
.
Stars
form
groups
called
____________________
.
Some
groups
of
stars
form
figures
.
We
call
them
____________________
.
We
can
see
some
of
these
constellations
at
night
.