The Solar System is made up of __________.
more than 100 stars.
billions of stars.
The Sun is ___________.
the only star in the Solar System.
another star in the Solar System.
not a star.
How many planets are in the Solar System?
Pluto is ____________.
the ninth planet.
not considered as a planet anymore.
not a dwarf planet.
In which position is Earth from the Sun?
How many moons does Earth have?
More than 1.
have enough gravity to have ball shape.
are rocks that build planets.
are rocks in the Solar System.
develop a tail as they are closer to the Sun.
are just in the Solar System.
are made of fire.
What is a galaxy?
Stars with spiral shapes.
The result of many stars together.
The contrary of 'universe'.