This transfers momentum, which causes them to tumble or jump across the surface.
This is because the gravitational pull of the asteroid is incredibly weak. While on Earth they weigh a kilogram, on Ryugu each lander has a relative mass of less than a quarter of a gram. Each hop can reach a distance of several meters, moving at up to 9 centimeters 3.
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On board each rover are cameras that will send back images from the asteroid. They also contain sensors that will measure the surface temperature at different locations. Hayabusa-2 is the successor to the Hayabusa mission , which visited the asteroid Itokawa in the early s.
That first mission did manage to return a tiny sample of the asteroid to Earth, though, despite the system designed to collect material mostly failing. Company News.
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