The ending of the movie Moon referred to the fact that humans had established a new civilization on the moon, but this new civilization faced many difficulties and challenges. At the end of the movie, humans have successfully turned the moon into a beautiful planet, but they are faced with a bigger problem: how to return to Earth. The ending of the movie Moon implied that humans might encounter many difficulties and challenges in the process of exploring the universe, but as long as we persevere, we will definitely be able to overcome them and realize our dreams. This also expressed mankind's determination and belief in the exploration and discovery of the universe.