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stand-up spacewalk
An extravehicular activity in which an astronaut stands up in his space capsule, with the hatch opened, so that part of his body extends outside the vehicle into space. Stand-up spacewalks were common in the early days of the space program when spacecraft were not equipped with airlocks.
Related entry
• spacewalkRelated category
• MANNED SPACEFLIGHTAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History