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	Notre Dame astronomer helps detect dark matter object in the Milky Way


    
      
        
          Notre Dame astronomer helps detect dark matter object in the Milky Way

          
            
              
                
                Published: December 20, 2001
              

              
                Author: William G. Gilroy
              

              







          

          
          
          

          
        
        
        
          David Bennett, an astronomer from the University of Notre Dame, is a member of an international team of researchers that has directly observed an object of “dark matter”—part of the hidden material that makes up most of the total mass of the universe—for the first time. The finding means that precision brightness measurements and extensive follow-up will allow astronomers to characterize a significant fraction of the Milky Way’s dark matter.p.

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