4.8 News Item

PLANETARY SCIENCE A weak and active surface of Bennu

Journal

NATURE GEOSCIENCE
Volume 15, Issue 6, Pages 430-431

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41561-022-00949-8

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The surface of asteroid Bennu is easily affected by small body impacts and diurnal heating and cooling, leading to continuous renewal.
The surface of the asteroid Bennu is so weakly bonded that rockslide avalanches are easily triggered by small body impacts, and boulders fractured due to diurnal heating and cooling are readily dislodged. The result is a surface under continuous renewal.

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