All About Space asks asteroid expert professor Alan Fitzsimmonds 5 questions about the threat posed by space rocks

All About Space asks asteroid expert professor Alan Fitzsimmonds 5 questions about the threat posed by space rocks
Kevin Grazier, the science advisor for Alfonso Cuarón’s new sci-fi thriller Gravity, talks about the concepts behind the movie and explains why they’re not that far removed from real life.
Would the crew have to leave the space station?