A hit-and-run giant impact scenario |
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| Authors: | Andreas Reufer Matthias MM Meier Willy Benz Rainer Wieler |
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| Institution: | 1. Physikalisches Institut & Center for Space and Habitability, Universität Bern, Sidlerstrasse 5, 3012 Bern, Switzerland;2. Institut für Geochemie und Petrologie, Eidgenössische Technische Hochschule Zürich, Clausiusstrasse 25, 8092 Zürich, Switzerland;3. Department of Geology, Lund University, Sölvegatan 12, 22362 Lund, Sweden |
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| Abstract: | The formation of the Moon from the debris of a slow and grazing giant impact of a Mars-sized impactor on the proto-Earth (Cameron and Ward 1976]. Lunar Planet. Sci. Conf.; Canup and Asphaug 2001]. Nature 412, 708) is widely accepted today. We present an alternative scenario with a hit-and-run collision (Asphaug 2010]. Chem. Erde 70, 199) with a fractionally increased impact velocity and a steeper impact angle. |
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