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gdpoc t1_jajjufm wrote

Reply to comment by Kear_Bear_3747 in NASA’s DART data validates kinetic impact as planetary defense method | DART altered the orbit of the asteroid moonlet Dimorphos by 33 minutes by mepper

Doesn't it also matter whether what you're hitting is an isotropic homogeneous solid and how much of that is aggregate v fill when we talk about celestial body surface composition?

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ResponsiblePumpkin60 t1_jajzk3m wrote

I think the only thing that matters is how much energy is lost from ejecting impact debris off into space. If none is ejected, then no energy is lost.

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