Why does the old man know about the doomsday ship?

The doomsday spaceship old man knows because he has the ability to predict the future. Doomsday spaceship is a science fiction movie released on 202 1. The plot mainly tells the story of people of different ages and occupations on an old warship. At the same time, the old man is a man with special functions in the plot. He can predict everything in the future, so the old man of the doomsday spacecraft knows. The Doomsday Spacecraft is a sci-fi movie directed by Christopher Nolan, with a release time of 20 14. In the film, the story takes place in the future when the earth will suffer environmental disasters.