American astronaut Scott Kelly returns to Earth after 340 days in space
Posted on:03 Mar 2016 11:13:48
03 March 2016 Current Affairs GK: NASA is celebrating a very big homecoming as American astronaut Scott Kelly returns to earth.He has spent almost a full year on the International Space Station floating 250 miles above the earth setting a record for an American astronaut.After 340 days he has seen 5,400 earth orbits and nearly 11,000 sunsets.His trek back to earth started Tuesday afternoon and landed in Kazakhstan at at about 11:30 p.m. ET.Scientists are hoping for more one-year subjects as NASA gears up for human expeditions to Mars in the 2030s. Radiation will be a top challenge, along with the body and mind's durability on what will be a 2½-year journey round trip. With his one-year mission, Kelly has "helped us take one giant leap toward putting boots on Mars," NASA Administrator Charles Bolden said in a statement.
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