Cardiac Research and Spacewalk Preps Before Cygnus XL Spacecraft Departs
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NASA astronaut Jessica Meir works inside the International Space Station’s Quest airlock, installing leg and arm components on a spacesuit and swapping components from one suit to another to prepare for a spacewalk. NASA/Jack Hathaway The Expedition 74 crew members spent Wednesday studying the cardiovascular system while preparing for a spacewalk to upgrade the orbital […]