____________________
System
:
____________________
formed
by
the
Sun
,
eight
____________________
(
after
the
construction
of
____________________
as
a
dwarf
____________________
in
August
2006
)
,
dwarf
____________________
,
____________________
,
asteroids
,
____________________
and
____________________
,
and
interplanetary
dust
and
gas
.
Nebula
:
Localized
mass
of
gases
and
small
particles
of
dust
that
can
be
found
almost
anywhere
in
interstellar
____________________
.
Asteroid
:
One
of
the
numerous
small
rocky
bodies
that
rotate
in
elliptical
orbits
around
the
____________________
,
most
between
the
orbits
of
Mars
and
____________________
(
in
what
is
known
as
the
"
asteroid
belt
"
)
.
Satellite
:
Secondary
object
that
gravitates
in
a
closed
orbit
around
a
____________________
.
Sun
:
The
____________________
that
,
by
the
effect
of
its
mass
,
dominates
the
planetary
system
that
includes
the
Earth
.
Constellation
:
any
of
the
88
groups
of
stars
that
appear
on
the
celestial
sphere
and
that
take
their
name
from
religious
or
mythological
figures
,
animals
or
objects
.
Galaxy
:
huge
set
of
hundreds
or
billions
of
____________________
,
all
interacting
gravitationally
and
____________________
around
a
common
center
.