U.S. Astronaut Launching on History-making Mission

NASA astronaut Scott Kelly is preparing to leave Earth for a very long time -- and to make U.S. spaceflight history. On Friday at 3:42 p.m. ET, Kelly will ride a Russian Soyuz rocket to the International Space Station and stay there nearly a year, twice as long as any U.S. astronaut has ever stayed on the space station. Two cosmonauts will ride up with Kelly: Mikhail Kornienko and Gennady Padalka. Kornienko also will stay up for a year. Padalka will only stay up for six months.



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