Makes
life on our planet possible by giving us great amounts of light and
heat.
Contains
about 98% of the mass of the entire Solar System.
Is
just a medium sized star (yellow dwarf). It is about 1.4 million
kilometers in diameter.
Is
the center of our Solar System. All the planets and other objects
orbit around it.
Is
very gaseous, and made up mostly of hydrogen.
Contains
darkspots that are known as sunspots.