Abstract
Inventories in sizes of large planetesimals can be estimated for different periods in the late planet-forming process by different techniques. For example, tabulations of craters on Mercury, the moon, and Mars give direct evidence of asteroid-like size distribution including bodies in excess of 100 km diameter. Large bodies exceeding, 1000 km diameter probably existed earlier. Consequences of interactions between planets and such bodies are considered.
Publisher
Cambridge University Press (CUP)
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