Some observations of hypervelocity impacts with porous media.
Hypervelocity impact of glass spheres with porous media, studying target material ejection with regard to lunar crater fragment trajectories
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Hypervelocity impact of glass spheres with porous media, studying target material ejection with regard to lunar crater fragment trajectories
Fragments ejected from lunar surface by meteoroid impact analyzed on basis of studies of hypervelocity impact in rock and sand
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