Scott Kelly becomes US astronaut to spend the most time in space

ISS commander Scott Kelly has entered the record books by spending the most cumulative days in space for any US astronaut. Scroll down for video Station Commander Scott Kelly passed astronaut Mike Fincke, also a former station commander, on Oct. 16, 2015, for most cumulative days living and working in space by a Nasa astronaut. Each additional day in orbit as part of the one-year mission along with cosmonaut Mikhail Kornienko, Kelly will continue to add to his record and to our understanding of the effects of long-duration spaceflight SCOTT KELLY AND THE TWIN STUDY Scott Kelly, together with cosmonaut Mikhail Kornienko, boarded the ISS in March and are part of a first-of-its-kind experiment to test how the human body copes with prolonged space travel. This image shows the curvature Earth, the moon and Venus behind it as well as part of the International Space Station in the foreground Scott Kelly tweeted a message about his record-breaking adventure earlier today, saying 'records are meant to be broken' Nasa's brand new RED Epic Dragon gadget is capable of capturing resolutions up to 4K - four times the resolution of normal HD camera. The ‘One Year Crew,’ consists of Commander Scott Kelly and Russian Cosmonaut Mikhail Koneinko, who are specifically investigating the medical, psychological, biomedical challenges faced by astronauts during long-duration space travel.