Our
Solar
System
is
made
up
the
____________________
,
eight
____________________
with
their
____________________
,
dwarf
planets
and
____________________
____________________
.
The
____________________
is
the
central
body
of
the
system
.
The
Sun
consists
mainly
in
two
gases
:
hydrogen
and
helium
.
It
is
a
____________________
,
the
closest
to
Earth
.
Planets
are
spherical
bodies
which
rotate
around
the
Sun
.
They
all
move
in
elliptical
orbits
,
held
by
the
gravitational
force
of
the
Sun
.
Planets
are
much
larger
than
other
celestial
bodies
which
orbit
the
Sun
.
Mercury
,
____________________
,
____________________
and
____________________
are
made
up
mainly
of
rocks
.
____________________
,
____________________
,
____________________
and
____________________
are
made
up
mainly
of
gases
.
Dwarf
planets
are
spherical
bodies
which
orbit
the
Sun
.
They
are
smaller
than
planets
.
Pluto
is
recently
considered
one
of
them
.
Small
____________________
are
other
celestial
bodies
which
orbit
the
Sun
.
They
include
____________________
,
comets
and
satellites
.
____________________
orbit
the
planets
and
consist
of
rock
.
____________________
are
icy
objects
wiht
a
long
and
elliptical
orbit
.
