Slide 1

Formation of the Solar System Slide 2 A model of the solar system must explain the following: 1.All planets orbit the sun counterclockwise 2.All planets orbit in about the same plane 3.Most planetary orbits are nearly circular 4.The distance between the planets increase in a regular trend with distance from the sun Slide 3 Why is solar system so orderly? 5. Most planets orbit counterclockwise with little axis tilt (