
NASA @NASA
🔋 🔋 Changing batteries may be a simple task on Earth, but imagine changing one while orbiting at 17,500 miles per hour. Learn more about power upgrades completed aboard the @Space_Station over a series of 14 spacewalks: https://t.co/yHRnBW2RsT #SpaceStation20th https://t.co/M4hbYGE90M — PolitiTweet.org