Havona Billion Worlds Theory
Circuit Sphere Count  
1 37,000,000  
2 74,000,000  
3 107,000,000  
4 144,000,000  
5 177,000,000  
6 214,000,000  
7 247,000,000  

 
  1,000,000,000  
[1]  The Urantia Book leaves mysterious the number of worlds on each Havona circuit.  A Perfector of Wisdom provided some clues about the world count which Urantia scholar Mark Underwood explored to create this table.     See: Havona World Count Theory