Those are tough questions. If that was all true, then probably when you looked up at the night sky you might see like a fog that didn't exist yet but wasn't present until you looked but also wasn't visible if you were looking. So you had to see where it was when it wasn't there.
Those are tough questions. If that was all true, then probably when you looked up at the night sky you might see like a fog that didn't exist yet but wasn't present until you looked but also wasn't visible if you were looking. So you had to see where it was when it wasn't there.