Elon Musk is the CEO and CTO of SpaceX. Kevork Djansezian/Getty Images Forget about fetching coffee — as an intern at SpaceX, you'll help design, build, and launch rockets that could potentially take humans to Mars.

So it follows that you're going to have to answer some tough interview questions to get the gig.

Each year, more than 700 interns join SpaceX headquarters in Hawthorne, California, for 80-hour workweeks at about $22/hour in departments like avionics, dynamics, launch operations, manufacturing, and enterprise information systems.

The hiring process typically consists of two in-depth phone interviews, during which intern candidates have to answer questions like the following, which we found on Glassdoor.