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submitted 5 days ago by SpaceFacts@lemmy.world to c/science@lemmy.world

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[–] Steve@startrek.website 2 points 5 days ago (1 children)

There is lots of weathering on mars

[–] jaycifer@lemmy.world 13 points 5 days ago (1 children)

But not on an asteroid

[–] quick_snail@feddit.nl 3 points 4 days ago* (last edited 4 days ago)

They literally shot it with a 2kg copper slug (bullet) to expose parts that were not weathered to collect samples