S Kelly and M Kornienko have started their year-long trip out is space. US astronaut Scott K and Russian cosmonaut Mikhail K left today on a 12-month tour of duty on the International Space Station.
Scientists will study the effects on the human body of living in micro-gravity for an extended period of time. It may be the longest continuous stay anyone has had aboard the orbiting platform.
NASA To Study A Twin In Space And His Brother On Earth http://n.pr/1Btgvou
Astronauts blast off for 1-year trip to space station http://fw.to/CP5aw9R
BBC News - Kelly and Kornienko begin year-long space trip http://www.bbc.com/news/science-environment-32089169
Yearlong International Space Station crew launches successfully http://upi.com/4227093
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