A Scenario of Late Heavy Bombardment Event in the Kuiper Belt

Details A Scenario of Late Heavy Bombardment Event in the Kuiper Belt A Scenario of Late Heavy Bombardment Event in the Kuiper Belt

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.0707i&link_type=abstract

American Astronomical Society, DPS meeting #28, #07.07; Bulletin of the American Astronomical Society, Vol. 28, p.1082

Astronomy and Astrophysics

Astronomy

Scientific paper

During the early formation process of the outer planets, a population of icy planetesimals were gravitationally scattered by the proto-Uranus and proto-Neptune from their accretion zones to highly eccentric orbits. The injection of these small planetoids into the inner solar system could be the main cause of the so-called late heavy bombardment event of the terrestrial planets which occurred approximately 3.5 billion years ago. If the Kuiper belt objects (KBOs) formed at nearly the same time as the major planetary bodies, they would have been subject to similar intense surface impacts. In this study we will estimate the time profile of the impact flux to the KBOs so that the collisional evolution and fragmentation of the KBO precursors in the trans-neptunian region can be traced.

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