Describe the timing and sequence of major events that occurred during the formation of our solar system, emphasizing processes associated with planet formation and the factors responsible for the resultant differences in planetary compositions.
first process
[ choose ] collision of planetesimals to form planets ignition of sun giving rise to inner terrestrial planets and outer gas giants gravitational contraction of a cloud of gas and dust into a spinning orb formation of a protoplanetary disk formation of planetesimals
second process
[ choose ] collision of planetesimals to form planets ignition of sun giving rise to inner terrestrial planets and outer gas giants gravitational contraction of a cloud of gas and dust into a spinning orb formation of a protoplanetary disk formation of planetesimals
third process
[ choose ] collision of planetesimals to form planets ignition of sun giving rise to inner terrestrial planets and outer gas giants gravitational contraction of a cloud of gas and dust into a spinning orb formation of a protoplanetary disk formation of planetesimals
fourth process
[choose] collision of planetesimals to form planets ignition of sun giving rise to inner terrestrial planets and outer gas giants gravitational contraction of a cloud of gas and dust into a spinning orb formation of a protoplanetary disk formation of planetesimals
fifth process
[choose] collision of planetesimals to form planets ignition of sun giving rise to inner terrestrial planets and outer gas giants gravitational contraction of a cloud of gas and dust into a spinning orb formation of a protoplanetary disk formation of planetesimals