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2. Large Planetesimals in the Early Solar System

Published online by Cambridge University Press:  12 April 2016

W. K. Hartmann

Abstract

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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.

Type
Part V. Orbital Evolution and Fragmentation of Asteroids
Information
International Astronomical Union Colloquium , Volume 39: Comets, Asteroids, Meteorites: Interrelations, Evolution and Origins , December 1977 , pp. 277 - 281
Copyright
Copyright © A.H. Delsemme 1977

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