There's soon to be a new man on the moon.
Ashton Kutcher became Virgin Galactic's 500th customer on Monday, CEO Sir Richard Branson blogged.
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On June 18, 1983, Sally Ride rode the Shuttle Challenger into the history books, becoming the first American woman into space. Recently I had a chance to interview Ride, a true space legend.
In Russia, you can experience simulated bursts of weightlessness (parabolic flight) in an old Ilyushin 76 cargo plane -- the same aircraft in which Russian cosmonauts train.
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