Q:
      
      
         
            
Term ‘Visible Horizon’ in astronomy is defined as:-
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: C) The circle of contact of the earth and the cone of visual rays passing through the point of observation.         
         
Explanation: Visible Horizon is the circle of contract, with the earth, of the cone of visual rays passing through the point of observation.
       
      
      
      
          View Answer
          Report Error
          Discuss