The Sun-Our Sun is just a medium-sized star. But, it is the biggest thing in our solar system. It is the center of our solar system. All the planets and other objects orbit around it. The Sun is what makes life on Earth possible. It gives us light and heat. The Sun is mostly ionized gas and is about 4.5 billion years old.

The Sun

Fast Facts:

  • The sun is not a planet. It is actually a star, and a medium-sized star.
  • The Sun makes life on our planet possible by giving us great amounts of light and heat.
  • The Sun contains about 98% of the mass of the entire Solar System.
  • 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.
  • The Sun contains darkspots that are known as sunspots.
  • The Sun is 333,400 times larger than the Earth.