Seven years ago, entrepreneurs planned trips to the stratosphere, but tourists never got off the ground. They're trying again
In a concept illustration provided by the company, the Spaceship Neptune, which Space Perspective hopes to operate as a space tourism venture. The balloon journey to the stratosphere, about 19 miles off the ground — would be high enough to view the blackness of space and the curvature of a round Earth.
Image: Space Perspective via The New York Times
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