Collisional history of Ryugu's parent body from bright surface boulders
The asteroid (162173) Ryugu and other rubble-pile asteroids are likely re-accumulated
fragments of much larger parent bodies that were disrupted by impacts. However, the
collisional and orbital pathways from the original parent bodies to subkilometre rubble-pile
asteroids are not yet well understood,–. Here we use Hayabusa2 observations to show that
some of the bright boulders on the dark, carbonaceous (C-type) asteroid Ryugu are
remnants of an impactor with a different composition as well as an anomalous portion of its …
fragments of much larger parent bodies that were disrupted by impacts. However, the
collisional and orbital pathways from the original parent bodies to subkilometre rubble-pile
asteroids are not yet well understood,–. Here we use Hayabusa2 observations to show that
some of the bright boulders on the dark, carbonaceous (C-type) asteroid Ryugu are
remnants of an impactor with a different composition as well as an anomalous portion of its …
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