<P> Newsweek said NASA collaborated more with The Martian than most other films: "Staff from many NASA departments consulted on the film, from script development through principal photography, and are now helping with marketing timed to the theatrical release ." As part of the collaboration, the production's NASA liaison included the front page of the script for the film in the payload of the spacecraft Orion during its Exploration Flight Test 1 on December 5, 2014 . </P> <P> The Los Angeles Times said NASA and the wider scientific community anticipated the film as a way to publicize a human mission to Mars . The New York Times reports that the film "serves as a nice plug for NASA, which has returned the favor by pushing the movie on its website . (On Monday (September 28, 2015), scientists announced that signs of liquid water could be seen in photographs taken on Mars by a camera on the Mars Reconnaissance Orbiter, timing that suggests NASA certainly has the whole cross-promotion thing down .)" Jim Erickson, NASA project manager, said the film would show moviegoers "the risks and rewards" of humans traveling to Mars . </P> <P> In October 2015, NASA presented a new web tool to follow Watney's trek across Mars, and details of NASA's next steps, as well as a health hazards report, for a real - world human journey to Mars . </P> <P> Harry Gregson - Williams composed the score for The Martian . It is the fourth collaboration between Gregson - Williams and Scott . Gregson - Williams previously worked on music for Scott's films Kingdom of Heaven (2005), Prometheus (2012) and Exodus: Gods and Kings, composing the main film score for the first and last films, and doing additional music for the other two . </P>

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