A model of the Virgin Galactic, the world’s first commercial spaceline, is displayed at the Farnborough International Airshow in Hampshire, southern England, on July 11, 2012. More than 500 people ... more 

A model of the Virgin Galactic, the world’s first commercial spaceline, is displayed at the Farnborough International Airshow in Hampshire, southern England, on July 11, 2012. More than 500 people have put down a deposit to clinch a seat on the 60-mile, two-hour ride into space. Branson has said he hopes the service will make its first journey by the end of 2013 less