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A simulation of seismic waves moving across the surface of Mars

Meteorite impacts show Mars’s crust is denser than we thought

27 October 2022

Shock waves from two meteorites hitting Mars moved faster than expected, hinting they came through dense material, perhaps because of the presence of a water table
Close-up of black meteorite

Meteorite from Mars traced to crater where it was ejected by impact

12 July 2022

Researchers used a supercomputer to analyse thousands of images of craters on Mars to find one that matched the properties of an unusual rock

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