Mark Watney's The Martian

Imagine: you are stranded on a planet millions of miles away from earth, you are alone, your food supplies are running out, and no one knows you are there. This is the situation that Mark Watney finds himself in the novel, The Martian. The novel was published in 2011 and the movie of the same name was released a couple of years later in 2015. Though the novel and movie have the exact same plot and a few other similarities; however, there are some big differences between them, the integration of science, the focus on the big things instead of the little, and the ending. The novel and the movie follow the same plot: Mark Watney is left stranded on Mars after a dust storm forces his crew to evacuate the planet, thinking he was dead. Nevertheless, Mark endeavors to find a way back to Earth encountering
In the novel, Weir depicts how the Hab canvas for Ares 3 (Watney’s home on Mars) was made, transported, and eventually put up by Watney’s crewmates. This side story seems seemingly useless when it’s first introduced; however, it’s essential to how the Hab was breached by the canvas tearing causing the airlock to detach with Watney inside. This event does show up in the movie but there is no explanation as to why the airlock suddenly detaches from the Hab.
The biggest difference between the novel and the movie is the movie’s ending and the added epilogue. In both stories, Watney uses the Ares 4 Mars Ascent Vehicle to propel himself into space, where his crew aboard the Hermes (a space station) will literally grab him out of the moving spacecraft. In the novel, a crew member jets out on a tether, grabs Watney, and returns him to the Hermes; all according to plan. This where the story ends for Watney and no epilogue is