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7 billionaires and their crazy-ingenious ideas

By: Bryan Nelson on Sept. 25, 2013, 11 a.m.
Virgin Galactic model space ship

Photo: Adrian Dennis/AFP/Getty Images

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Richard Branson's Virgin Galactic

Founder of the Virgin Group (which includes companies like Virgin Records and Virgin Atlantic), Richard Branson is known for his sense of adventure. Perhaps the most significant embodiment of that spirit is his company Virgin Galactic, which is designed to corner the market on space tourism.

That's right: space tourism. The company hopes to be the first to provide suborbital space flights for tourists. The tickets won't be cheap: The first flight will cost passengers a whopping $250,000. Even so, people have been lining up to board.