Saying Yes to Space

摘要

New standards under development — such as medical qualifications for private citizens in space — will enable a wide range of individuals to enjoy a cosmic experience.Crew Dragon. Starliner. New Shepard. SpaceShipTwo. Though they may lack the cosmic provenance of their predecessors, these names — and the innovative spacecraft they adorn — are creating a different kind of buzz. They represent an opportunity the original astronauts could scarcely have imagined: nonprofessionals following in their vapor trails to experience the magic of spaceflight.