Will Jeff Bezos be an astronaut during his space flight? It's complicated, because experts say there's still a debate about where space begins.

Blue Origin's Jeff Bezos, who will probably be an astronaut.
Isaiah J. Downing/Reuters
Blue Origin has said founder Jeff Bezos will earn his "astronaut wings" during his space flight.
He'll cross the Kármán Line, the imaginary boundary into space.But academics and other experts said there isn't yet a true consensus on where space begins.
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Blue Origin founder Jeff Bezos will blast off soon, ushering in a new era of private space travel, a