NASA will provide live coverage of a spacewalk on Thursday, July 21, by a Russian cosmonaut and an ESA (European Space Agency) astronaut to continue outfitting the European robotic arm on the International Space Station’s Nauka laboratory. Coverage will begin at 9:30 a.m. EDT on NASA Television, the NASA app, and agency’s website. The spacewalk is scheduled to begin around 10 a.m. Expedition 67 Commander Oleg Artemyev of Roscosmos and Flight Engineer Samantha Cristoforetti of ESA, clad in Russian Orlan spacesuits, will begin the six-and-a-half-hour excursion by exiting the space-facing Poisk m…