'Interstellar' Stars Matthew McConaughey, Anne Hathaway & Jessica Chastain Flunk Space Quiz


Matthew McConaughey, Anne Hathaway, and Jessica Chastain star in Interstellar, but how much do they really know about space?

VIDEO: Matthew McConaughey Breaks Down In Emotional Interstellar Trailer

In the movie, opening November 7, McConaughey plays an astronaut and father grappling with the conflict of having to leave his children behind in the name of a larger cause: the survival of mankind.

While the movie deals with serious issues, the cast's interview with Entertainment Weekly took on a much lighter tone. Watch the video to watch the cast ponder questions like, "Can astronauts burp in space?" and "Do astronauts grow taller in space?"