NASA @NASA
It's #NationalSiblingsDay! Ever wonder what happens when a twin sibling is sent for a #YearInSpace? Join us April 10 at 2pm ET as we share results that compare astronaut @StationCDRKelly’s space-based changes to his earthbound twin @ShuttleCDRKelly. Info: https://t.co/mZMXLSiW5y https://t.co/9xViP7k0Qp — PolitiTweet.org