Our solar system consist of 8 planets, their moons, asteroids ,meteors, comets and ofcourse sun. the planets are mercury, venus , earth, mars,jupiter, saturn , uranus , neptune. the first 4 planets are made up of rocks and called inner planets, others are made up of gases and called outer planets. between mars and jupiter their is asteroid belt , which consist several asteroids. our universe consist of several solar systems and is still expanding.