1. OUR SYSTEM SOLAR There are eight planets: Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus and Neptune. We live on the Earth.

2. MERCURY Mercury is the nearest planet to the sun. It is also the smallest planet.

3. VENUS Venus is the hottest planet. There are thick clouds around Venus.

4. THE EARTH The Earth takes 365 days to go around the sun. The Earth is the only planet in our solar system with life, because there is oxygen.

5. MARS Mars is the nearest planet to the Earth. There are deserts and canyons on Mars.

6. JUPITER Jupiter is the biggest planet. It's eleven times bigger than the Earth.

7. SATURN

8. URANUS

9. NEPTUNE Neptune is the coldest planet, because it is very far from the sun.

10. THE SUN The sun isn't a planet. It's an enormous star! The planets go around the sun.