The
____________________
is
made
up
of
millions
of
galaxies
.
Our
____________________
is
called
the
____________________
____________________
.
It
contains
millions
of
____________________
,
including
the
Sun
.
The
Earth
and
seven
other
planets
____________________
the
Sun
.
Together
they
form
the
____________________
____________________
.
The
____________________
spins
on
its
axis
.
It
also
orbits
(
or
moves
around
)
the
____________________
.
These
movements
explain
why
we
have
day
and
night
and
the
changes
in
the
seasons
on
the
Earth
.
