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Asteroids provide fundamental clues to the formation and evolution of planetesimals. Collisional models based on the depletion of the primordial main belt of asteroids predict 10–15 craters >400 km should have

Asteroids provide fundamental clues to the formation and evolution of planetesimals. Collisional models based on the depletion of the primordial main belt of asteroids predict 10–15 craters >400 km should have formed on Ceres, the largest object between Mars and Jupiter, over the last 4.55 Gyr. Likewise, an extrapolation from the asteroid Vesta would require at least 6–7 such basins. However, Ceres’ surface appears devoid of impact craters >∼280 km. Here, we show a significant depletion of cerean craters down to 100–150 km in diameter.

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    Date Created
    • 2016-07-26
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    Identifier
    • Digital object identifier: 10.1038/ncomms12257
    • Identifier Type
      International standard serial number
      Identifier Value
      2041-1723
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    Marchi, S., Ermakov, A. I., Raymond, C. A., Fu, R. R., O’Brien, D. P., Bland, M. T., . . . Russell, C. T. (2016). The missing large impact craters on Ceres. Nature Communications, 7, 12257. doi:10.1038/ncomms12257

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