Titlebook: Comet/Asteroid Impacts and Human Society; An Interdisciplinary Peter T. Bobrowsky,Hans Rickman Book 2007 Springer-Verlag Berlin Heidelberg

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Evaluating the Risk of Impacts and the Efficiency of Risk Reductionust particles up to planetary bodies. In fact, a clue to the importance of this phenomenon also for our planet has always been available on the heavily cratered surface of the Moon, that testifies to the present and past fluxes of bodies on Earth crossing orbits.

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The Italian Democrats of the Left,nterplanetary bodies throughout geologic time. Although the surviving sample of impact structures is small, the terrestrial impact record has played a major role in understanding and constraining cratering processes, as well as providing important ground-truth information on the three dimensional li

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