NASA @NASA
S.A.M.—the Spacecraft Atmosphere Monitor— gets to work on @Space_Station to test air quality in real-time on the orbiting lab. Smaller & more reliable instruments such as S.A.M. are essential to future exploration missions. Say hi to S.A.M.: https://t.co/CHf5GwL2Tj https://t.co/zjT45hOlrc — PolitiTweet.org