Who’s an astronaut as private spaceflight picks up speed?
In this Jan. 11, 1961 file photo, Marine Lt. Col. John Glenn reaches for controls inside a Mercury capsule procedures trainer as he shows how the first U.S. astronaut will ride through space during a demonstration at the National Aeronautics and Space Administration Research Center in Langley Field, Va. In 2021, as more companies start selling tickets to space and the cosmos opens for travel like never before, a question looms above all others. Who gets to call themselves an astronaut? (AP Photo/File)