Black Holes
                          
                        
                    
                    
                    Black holes rarely have names of their own. They are typically named after the star system or galaxy they are found in.
                             Compute the location and get properties of a stellar-mass black hole:
                            
                        
                             Specify a black hole in a galaxy:
                            
                        
                             Compare several black holes:
                            
                        
                             Summarize classes of black holes:
                            
                        
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                           Properties of Black Holes
                          
                        
                    
                    
                    Obtain a diverse set of properties for black holes, such as mass, Schwarzschild radius and entropy, as well as position-based properties.
                             Request a property of a black hole:
                            
                        
                             Compute the radius of a black hole:
                            
                        
                             Compare properties of multiple black holes:
                            
                        
                             Find the members of a black hole star system:
                            
                        
                             Do computations with black hole properties:
                            
                        
                             Generate a list of nearby black holes:
                            
                        
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                           Black Hole Formulae
                          
                        
                    
                    
                    The properties of a black hole are determined primarily by its mass and type.
                             Calculate the properties of a theoretical black hole with a known mass:
                            
                        
                             Compute the properties of a rotating black hole:
                            
                        
                             Calculate properties of a theoretical black hole:
                            
                        
                             Calculate specific properties of a theoretical black hole:
                            
                        
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