“…Space tourism currently consists of five main components-stratospheric flights, suborbital flights [50,67], low-orbit space flights [68], virtual flights (simulators, virtual reality, e.g., References [32,69,70]), and observation of spacecraft launches on spaceports. The last one represents a form of mass tourism with thousands to hundreds of thousands observers, either attracted by sheer curiosity and respect for cosmonauts, or genuine enthusiasts.…”