Scott Kelly
astronaut twin who spent a year in space
Scott Kelly, an American astronaut, went to space in the 1990s and 2000s. In 2015, he spent nearly a year in space. While there, his body was compared to his twin's on the ground. The data helped us learn about the impacts of space on the human body. Learn more about Kelly's life as an astronaut.
9781496684752
book
Lexile:
710