It's the visceral effect on the audience:
McCain: OLD
Obama: PRESIDENTIAL
The Universe: Simply gorgeous, even transcendential:
enigma 1: something that baffles understanding and cannot be explained; 2: One that is puzzling, ambiguous, or inexplicable. 3: A dark, obscure, or inexplicable saying; a riddle; a statement, the hidden meaning of which is to be discovered or guessed.
