Minor debris from the formation of the solar system still exists Ch. The Nine Planets Extensive pages on the Solar System, by Bill Arnett . Views of the Solar System Multimedia web pages on the Solar System, by Calvin J. Hamilton . A summary of the Solar System, describing the properties of the major planets as well as the contents of assorted belts of rubble. Computer simulations of a cloud of gas collapsing to a thin rotating disk.
Color indicates gas density, with blue for the lowest densities and red for the highest densities.