As early as next year, space tourism company Space Perspective will ferry humans to the edge of space using a giant hydrogen-filled balloon. The capsule will have all the comforts of home \u2013 like a bar and a bathroom \u2013 and promises breathtaking views of the curvature of the Earth and blackness of space. As more and more space tourism ventures come online, how will greater access to space change how humans perceive this planet?