So how can we infer some of the properties of the solar system by the orderly motions? what about sizes?

also why do we need to be able to explain the exceptions?

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

Don’t use up to much of them it leads to pollution