very interesting video, and yes the whole universe is modeled by a wave function, but we probably will never get access to it because of it necessary to observe

very interesting video, and yes the whole universe is modeled by a wave function, but we probably will never get access to it because of it necessary to observe the whole surface to get it, is like an atom trying to get a wave function of your body, it has not enough information for that. but in reverse it works, you can get a wave function of the probabilistic states of your cell just observing your surface, if you are dead, they will be dead just a simple example we can observe the whole surface of the sun and get an idea when it will die (because we have access to its wave function), also we can make valid conjectures about the probabilistic state of every atom and subparticle inside the sun.