
The universe is pretty big. We have to invoke our inner Carl Sagan and say “billions and billions” when talking about the universe. (He never used that phrase but finally titled one of his books “Billions and Billions.”)
We don’t really have an intuitive understanding of very large numbers. Billions — or even millions — don’t mean much to us. The largest numbers we intuitively grasp are a few thousands. The higher order numbers are beyond our comprehension. With that caveat, let’s talk of the universe. Continue reading “UFOs and UAPs”