Space tourism has gained the fancy of some of the wealthiest individuals on the planet and is quickly becoming a common phenomenon. With modern technology and innovation, it is possible to see the earth from up above by taking a trip beyond the sky into outer space. But, before we have our future travel plans in place, let us know a little more about this trance-like ride *The training program lasts roughly two days. Starting with classroom introduction, followed by tests in a centrifuge to get the participants accustomed to the feeling of weightlessness. *Some of the top companies engaged in space tourism include Virgin Galactic, SpaceX, Blue Origin, Orion Span and Boeing.