62812108_View_columns_by_John_G__Cramer__Subject_of_Column
The Nice Way to Make a Solar System [Analog Issue] 03/10 [Column Code] AltVw151 [Subject of Column] 
The Nice Model suggests that the early history of the Solar System may have been very violent, with giant planets exchanging orbits and outer-system debris raining on the inner planets.
Subject index of Alternate View columns by John G. Cramer