A father and his extremely well educated son went on a camping trip. They set up their tent and some time later both fell asleep.
Some hours later the father wakes up his son and says, "Look up to the sky and tell me what you see."
"I see millions of stars dad."
"And what does that tell you son?"
"Astronomically it tells me there are millions of galaxies and planets."
Father slaps his son hard and says "no you idiot,