Moon director reveals secrets behind its lunar effects

We've got two exclusive clips from Duncan Jones' acclaimed indie sci-fi movie Moon, which drops on DVD and Blu-ray on Jan. 12, starting with this one.

In this exclusive clip, director Duncan Jones discusses the process of creating visual effects for the movie.

Among other things, Jones reveals that the realistic shots of the lunar rover and the harvester were a combination of miniatures, digital matte paintings and practical light effects.

Moon centers on a solitary astronaut (Sam Rockwell) stationed on the moon to mine the precious gas that holds the key to reversing the Earth's energy crisis. He slowly begins to lose his grasp on reality as his assignment nears an end. The film also stars Kevin Spacey, who provides the voice of a robot companion, and Kaya Scodelario as Rockwell's wife, Eve.

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