Matter: Scott Kelly Spent a Year in Orbit. His Body Is Not Quite the Same.
NASA scientists compared the astronaut to his earthbound twin, Mark. The results hint at what humans will have to endure on long journeys through space. [Source]
Publication Date:Origin: nytimes.com
Category: Space and Astronomy
Topics: space, through, journeys, endure, humans, results, earthbound, astronaut, compared, scientists, Quite, Orbit, Spent, Kelly, Scott, Matter