ScienceAstronauts Complete 6 Hour and 54 Minute Spacewalk To Install Space Station UpgradesBy Saphire Rose - 25/03/20220341FacebookTwitterPinterestWhatsApp Astronauts Raja Chari and Matthias Maurer are envisioned changing an external high-definition cam throughout a 6-hour 54- minute spacewalk today. Credit: NASA TELEVISIONExpedition 66 Flight Engineers Raja Chari ofRELATED ARTICLESMORE FROM AUTHORNASA Astronauts Brace for Historic Night Launch Aboard Boeing’s StarlinerWebb Maps Weather on Extreme Exoplanet WASP-43 bThe Unexpected Strategy Behind Smarter Robots