The solar system is a group of planets that orbit the sun. The planets are called mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. The moon lights up the earth when it is dark. However the moon doesn't make the light, it reflects sunlight back to earth.
The sun is a star. Earth is a planet in space and people live on earth.. Mars is the hottest planet in space. The color of mars is red. Saturn has rings around itself. Pluto is the littlest planet and is the furthest away from the sun.