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PostPosted: Sat Apr 06, 2019 3:16 pm 
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Location: Lancashire
Japan's space agency, JAXA, announced yesterday that it's asteroid probe had successfully released a small explosive box that sent a copper ball impactor into the surface of Ryugu. It was a risky procedure, as the Hyabusa probe had to move away quickly to avoid being hit by shards of asteroidal material.
JAXA will send the probe, which is now on the other side of the asteroid, back to the sampling site to collect material from the craterlet produced by the impactor. Some of the samples will be from material under the surface of Ryugu that has never been exposed to sunlight and cosmic rays. The underlying material might yield information about the early solar system.

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