The solar system consists of the Sun and everything that orbits around it, including 8 planets and their moons. The solar system has an elliptical shape with the Sun at the center. Objects in the solar system, such as planets, moons, comets and asteroids are always in motion orbiting the Sun, which contains over 99% of the mass of the entire solar system. The Sun is approximately 4.5 billion years old.
2. • What is the solar system? It is our Sun
and everything that travels around it.
Info!
Our solar system is elliptical in shape.
That means it is shaped like an egg. The
Sun is in the centre of the solar system.
Our solar system is always in motion.
Eight known planets and their
moons, along with
comets, asteroids, and other space
objects orbit the Sun. The Sun is the
biggest object in our solar system. It
contains more than 99% of the solar
system's mass. Astronomers think the
solar system is more than 4 billion
3.
4. Facts about the sun
The Sun is about 4.5 billion years old. Since its birth it has used up
about half of the hydrogen in its core.
