Billionaire Jeff Bezos’s space launch company, Blue Origin, has announced it will sell its first flights into microgravity to the highest bidder. Blue Origin and its two greatest competitors in the “space tourism” field, SpaceX and Virgin Galactic, claim to be advancing humanity through the “democratisation” of space. But these joyrides aren’t opening up access to space for all. At face value, the prospect of a space tourism industry is exciting. It promises an easier path to space than the one followed by astronauts, who must go through higher education, intense training and extr...