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

Definitive Result #2

Given the results of what happened to Scott, the deep thinkers at NASA are going to have a lot to work on with trying to figure out how safely engage a mission to Mars. Any such venture will have an extensive time requirement on a given astronaut with serious physical effects. The implications have to be addressed now to make the mission success probable. Which is a new challenge now defined and clear versus being a theoretical what-if problem for NASA engineers.