It’s astronaut Scott Kelly on Friday around 22:15 Dutch time from Kazakhstan to the space station is launched and will then spend a year on the ISS.
The health of Kelly will be compared precisely during this period with his identical twin brother Mark on earth.
This reports the NASA .
Intestinal Bacteria
The launch takes place at the cosmodrome of Baikonur in Kazakhstan, the largest rocket launch site in the world.
With the mission wants NASA to figure out what effect a long stay in space on the human body.
The study focuses on both physical and psychological effects of space travel. Thus, among other behavior, gut bacteria and DNA of twins compared.
Younger
The theory of relativity, Albert Einstein predicted that Scott Kelly by his trip to the ISS less will age more quickly than his twin brother.
The time on Earth passes more quickly than in a fast-traveling spacecraft.
According to the British magazine New Scientist will American after his return trip about 10 milliseconds are younger than his twin brother than before the mission
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