1. The space plane made its first powered flight on April 29, 2013. Strapped beneath a twin-fuselage jet, it took off from the space airport runway in the Mojave Desert, north of Los Angeles. 3. More than 500 aspiring space tourists have paid US$200,000 or placed deposits for a chance to float in weightlessness and view the Earth"s curvature from 62 miles up.
Virgin Galactic SpaceShipTwo: 15 facts you need to know
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