Yes. Very visible. I've heard from most that it is supposedly a brown-dwarf (failed star.) If this were true, it would be very large and bright in the sky.
Ya, all these theories defy common sense, and abandon all logic and rational thinking. Why would Aliens come from some unknown place to destroy us. This is not the movies people, cause and effect are a real thing.
A random planet that disregards the laws of physics, and the laws of universal gravitation as well as slapping Kepler in the face, is going to come crashing into the earth. Undetected because our satellites and telescopes are completely and utterly useless.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.