Current bombardment of the Earth-Moon system : emphasis on cratering asymmetries

We calculate the current spatial distribution of projectile delivery to the Earth and Moon using numerical orbital dynamics simulations of candidate impactors drawn from a debiased Near-Earth-Object (NEO) model. Surprisingly, we find that the average lunar impact velocity is 20 km/s, which has ramif...

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Bibliographic Details
Main Author: Gallant, John
Language:English
Published: 2010
Online Access:http://hdl.handle.net/2429/17947

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