In this guest post, Stanford University’s Professor G. Scott Hubbard – former Director of NASA’s Ames Research Center, founding editor-in-chief of the New Space journal, and author of Exploring Mars: Chronicles from a Decade of Discovery – looks at whether the travel industry is heading for the final frontier.

Having been active in the US space program for 45 years, both with NASA and now Stanford, I’ve seen many proposals suggesting that personal space travel is right around the corner. While this topic has been discussed in science fiction for more than 60 years, making such an experience a reality has been hampered by significant obstacles, both technical and financial. However, during the last decade or two, the world has seen the emergence of wealthy space entrepreneurs who have hired top-notch engineers. Those teams may well now be on the verge of creating space…

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