Mark T. Vande Hei, 55, is a NASA astronaut who spent a year in space orbiting Earth. He is the American who’s spent the most consecutive days off of our planet. He says his days included meetings and experiments, and movies on the weekends. Vandehei says the ISS is about the size of a six-bedroom house, but you can go days without seeing one of your six or seven roommates. The ISS was built in parts, and each part can be isolated and closed off if an emergency were to occur.Read Long Article
