ScienceAstronauts Complete 6 Hour and 54 Minute Spacewalk To Install Space Station UpgradesBy Saphire Rose - 25/03/20220338FacebookTwitterPinterestWhatsApp 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 AUTHORPhysicists Discover a New Force Acting on Water Droplets Moving Over Superhydrophobic SurfacesResearchers Develop “Goldene”– A New Form of Ultra-Thin Gold With Semiconductor PropertiesHydrogen Recombination Sheds Light on Stellar Superflare Mysteries