Scientists have announced evidence of water on the Moon. Virgin Galactic has unveiled SpaceShipTwo in Mojave, Calif., and in less than two years it will be the first suborbital space tourism ride in history. Just down the road, Masten Space Systems recently won $1 million in the Northrop Grumman Lunar Lander Challenge. At Space Exploration Technologies (SpaceX), a young and expanding team has just finished working on the parts for the next installment in their line of privately built orbital rockets, which will soon launch from the eastern coast of Florida.
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