SPACE CRUSADERS Scott Kelly Remarkable Space Resident Jessie Alkire Checkerboard Library An Imprint of Abdo Publishing abdobooks.com
1 Space Life Scott Kelly is an American astronaut He is best known for living aboard the International Space Station for a year He was the first American to stay in space that long Before joining NASA Kelly also served in the US Navy Before Kelly was an astronaut he struggled in school He could never focus in the classroom However once he realized he wanted to be an astronaut Kelly was determined to achieve his goals And he never gave up Kelly worked at NASA for 20 years During this time he went on four missions to space He spent a total of 520 days in space While on his yearlong mission Kelly participated in NASA’s Twins Study with his twin brother Mark The study examines how the human body is affected by long-term space residency This study could help determine whether humans can travel to and live on other planets such as Mars 4
