New model provides different take on planetary accretion: Collapse may take place in 3-D cold dust cloud Date: February 29, 2012 Source: Washington University in St. Louis Summary: The prevailing ...

After that, in the early 1600s, Kepler came up with his model for planetary motion. There was lots of fighting and crying in the middle of this, but I will leave that up to your imagination.

A new model that accounts for the interplay of forces acting on newborn planets can explain two puzzling observations that have cropped up repeatedly among the more than 3,800 planetary systems ...