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Hayabusa 2 took off into the vast outer space with a mission of collecting and bringing samples of asteroid Ryugu to the Earth. After travelling over 3.2 billion kilo meters, taking 2 and a half years, the probe faced un expected figure of Ryugu; there were no enough wide and flat ground suitable for touch-down on its surface. How Hayabusa 2 overcome difficulties it faced and led to the mission succeeded?
