SP-345 Evolution of the Solar System

 

FIGURE 21.12.1.- infall pattern for source clouds active during different time periods.

 

FIGURE 21.12.1.- infall pattern for source clouds active during different time periods. The Infalling gas from one source cloud will be dominated by one element. The mass of infalling gas will be stopped when the dominant element is ionized; i.e., in the cloud corresponding to the critical velocity value of that element's band. For example, a Band II element reaches its critical velocity at a value rion which falls within the C cloud.
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