This is definitely not for everyone. First, it's one of those slow paced sci-fi movies that is trying to make you think rather than throw visual eye candy at you (which I'm also a fan of, no dissing any sci-fi style here). It also takes quite a few liberties with actual science, but I'm ok with it as long as it serves the narrative and I do think it works in this case. Overall pretty interesting and original so I'd recommend it so you can make your own opinion.