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Q&A How massive would a planet need to be to sustain negligible damage from impact with the Earth?

I'm curious what factors a terrestrial planet impacting the Earth would require for the impact to cause negligible damage to the larger planet, while destroying the Earth.

6 answers  ·  posted 5y ago by Wax‭  ·  last activity 5y ago by Wax‭

Question planets physics astrophysics