The end of the line for space tourism?

A US software mogul who made history this week as the first person to travel to space twice as a tourist could also be the last paying passenger to head into space for several years.

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<p><a href="http://www.physorg.com/news157452749.html">The end of the line for space tourism?</a></p> <p> A US software mogul who made history this week as the first person to travel to space twice as a tourist could also be the last paying passenger to head into space for several years.</p>