Many scientific papers and popular articles have been written on the topic of space tourism, describing everything from expected market sizes to the rules of 3-dimensional microgravity football. But what would it actually feel like to be a tourist in space, to be hurled into orbit on top of a controlled explosion, to float around in a spacecraft, and to be able to look down on your hometown from above the atmosphere?

Space tourism is not science fiction anymore, Michel van Pelt tells us, but merely a logical step in the evolution of space flight. Space is about to be opened up to...