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Scott Kelly

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description Scott Kelly Overview

Scott Kelly is a retired American astronaut, former naval aviator, and veteran of four spaceflights. From March 2015 to March 2016, he spent 340 consecutive days aboard the International Space Station with Russian cosmonaut Mikhail Kornienko, at the time the longest single spaceflight completed by an American. NASA compared measurements from Kelly with those from his identical twin brother, astronaut Mark Kelly, to study how prolonged spaceflight affects the human body.

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How long did Scott Kelly spend on the International Space Station?

Scott Kelly spent 340 consecutive days aboard the International Space Station from March 2015 to March 2016, as part of a one-year mission alongside Russian cosmonaut Mikhail Kornienko. At the time, it was the longest single spaceflight by an American astronaut.

What was the purpose of Scott Kelly's year in space?

The one-year mission was designed to study the long-term effects of spaceflight on the human body, with Kelly serving as a test subject alongside his identical twin brother Mark Kelly, a fellow astronaut who remained on Earth. The NASA Twin Study produced data on genetic, physiological, and cognitive changes during extended spaceflight.

Is Scott Kelly related to Senator Mark Kelly?

Yes, Scott Kelly and Mark Kelly are identical twins, and both are former NASA astronauts. Mark Kelly later became a U.S. Senator from Arizona, and their twin relationship was central to the NASA Twin Study conducted during Scott's year-long mission.

What book did Scott Kelly write about his space experience?

Scott Kelly published the memoir 'Endurance: A Year in Space, A Lifetime of Discovery' in 2017, detailing his year-long mission aboard the ISS. The book covers his career as a naval aviator and astronaut as well as the personal challenges of long-duration spaceflight.

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