The astronaut Scott Kelly is six minutes younger than his twin brother, also an astronaut Mark Kelly. When returning from his one-year stay at the International Space Station, Scott Kelly will be even younger than Mark, but at the same time have aged more than his brother. It is a unprecedented experience that NASA is making: that of Gemini Kelly Project. The launch is this Friday
Scott Kelly travels into space along with two Russian cosmonauts, the first mission a year to the International Space Station -. The previous missions had, usually half the duration. However, Mark will stay on Earth.
The two will be observed by a team of medical professionals and researchers from several universities, who will try to understand how to stay in space affects Scott comparing it to the his twin that is on earth. The time will pass more slowly for Scott in Earth orbit, but is expected to age more quickly due to the environment where you will find.
The researchers will study the impact of weightlessness in your bones, in your perception of space in your arteries, and even in bacteria of your intestines, as well as how it is affected by the cosmic rays , a type of radiation that comes from deep space and that can damage DNA and therefore cause a faster aging. Biologically, it is expected that Scott is older than Mark when I return.
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