Spacewalker
"Spacewalker" in a Sentence (2 examples)
NASA has spacewalkers periodically look at their gloves, since the discovery of a cut in a glove used by an astronaut during the last shuttle mission.
Mr. Clooney, as a veteran spacewalker, with his resonant voice and folksy yarns, seems to be channeling every imperturbable astronaut you ever heard speaking from on high.