A poet and a scientist were traveling ....

A poet and a scientist were traveling together on a plane. The scientist was bored and said to the poet, "Hey, you, do you want to play a game? I'll ask you a question, and if you get it wrong, you give me $5. Then, you ask me a question, and if I can't answer it, I'll give you $5."
The poet thought about this for a moment, but he decided against it, seeing that the scientist was obviously a very bright man. He politely turned down the scientist's offer.
The scientist, who was really bored, tried again. "Look, I'll ask you a question, and if you can't answer it, you give me $5. Then you ask me a question, and if I can't answer it, I'll give you $50."
The poet agreed. "Okay," the scientist said, "what is the exact distance between the Earth and the Moon?"
The poet, obviously not knowing the answer, didn't stop to think about the scientist's question. He took a $5 bill out of his pocket and handed it to t