Russian cosmonauts Alexander Kaleri, Oleg Skripochka and a NASA austronaut Scott Kelly are back from the ISS to the Earth. The capsule of the “Soyuz” spaceship with 3 cosmonauts aboard has successfully landed near Arkalyk city, Kazakhstan. The cosmonauts feel well. Due to the strong wind the capsule was carried away for some kilometers. Alexander, Oleg and Scott had been on orbit for 159 days. Above all they brought the objects of “Expose R” experiment inteded to answer the question if life on Earth could appear from outside, i.e. come from outer space. For two years  protozoa bacteria and fungi were exposed to ultraviolet rays and radiation, and now, having studied the bio samples, scientists have to say if the life, as we all know it, could survive in space without spacesuits.

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