We teach the child on the principle: everything that the child is interested in, we tell him about it.
And one day, we talked about aliens, and UFOs accordingly. The latter, caused a natural interest in a curious child.
Well, I explain, the UFO is.... that is, it’s called so because it’s not identified.
"What if it is identified?" asks the child.
And then it comes to me that the heavens on our planet are filled OLOL.