"Gravity" is a 2013 science fiction thriller directed bt Alfonso Cuaron and starring George Clooney and Sandra Bullock. The film has been much talked about for its depiction of an accident during a space mission.
The film has a running time of 90 minutes - this coincides with the amount of time it takes for what object referenced in the film to orbit once around the earth?   
 [+ Show Answer] 
The International Space Station. 
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