The Martian

When coming to write about The Martian, Ridley Scott's space/disaster/survival movie about an astronaut stranded on Mars, it's hard to resist the impulse to draw comparisons.  The Martian is perhaps best-described as a cross between Alfonso Cuarón's Gravity and Robert Zemeckis's Cast Away.  Its focus on the engineering challenges that survival on Mars poses for hero Mark Watney, and on the