Six Surprising Facts About 'The Martian'

Here are six surprising things you might not know about this Red Planet survival story. Based on the novel by Andy Weir, "The Martian" tells the story of astronaut Mark Watney, who, during a mission to the Red Planet, is mistaken for dead by his crewmates and left behind. In order to survive on Mars, Watney has to rely on his incredible problem-solving skills and his sense of humor.