... to contract its own gravitational forces that made it shrink smaller and start to spin faster. As gravity pulled the matter in toward the cloud it became denser to its perpendicular axis. That would explain why the spherical cloud turned into a pancake shape, and why the sun is in the middle of the solar system. (McDonough1) As the sun grew bigger ... ...

• Word Count: 1533
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School