SEATTLE, WA - APRIL 24:  Planetary Resources, Inc., Co-Founder and Co-Chairman Eric Anderson speaks during a press conference announcing plans to mine asteroids at Museum of Flight April 24, 2012 in Seattle, Washington. Planetary Resources, founded by Eric Anderson and Peter H. Diamandis, investors include Google CEO Larry Page, and Google Executive Chairman Eric Schmidt. Among the company's advisors is filmmaker James Cameron.  (Photo by Stephen Brashear/Getty Images)