Two NASA astronauts switched their spacesuits to battery power this morning at 7:38 a.m. EDT. Expedition 61 Flight Engineers Christina Koch and Jessica Meir are venturing out into the vacuum of space to replace a failed power controller, also known as a battery charge-discharge unit (BCDU). The BCDU regulates the charge to the batteries that collect and distribute solar …
Female Duo Ventures Outside Station for Historic Spacewalk
