One Twin Went To Space For a Year, When He Came Back The Changes Were Compelling

Further Studies

NASA wants to keep studying twins as much as possible, but the practical aspect of getting twins ready to be astronauts with all the necessary study and training is an almost impossible job. It’s hard enough just to be an astronaut, but to find twins from an early age and steer them to the career is unheard of. Mark and Scott Kelly were an anomaly from the start.