Ad Astra, the epic sci-fi drama starring Brad Pitt as an astronaut searching the edge of the solar system for his missing father, faced an unusual amount of criticism for its many scientific inaccuracies. However, as director James Gray recently explained in an Instagram live interview with his Ad Astra producer Rodrigo Teixeira, realism was never the film’s goal. If you’ve not seen the film, I won’t spoil it for you, except to say that the movie is very internal and almost dream-like. There’s action scenes and sequences of extreme space peril, but it’…