Someone else asked this as well but I haven't seen a good answer: what scenario destroys moon and earth but leaves Mars fine? I can think either of stuff that o

Someone else asked this as well but I haven't seen a good answer: what scenario destroys moon and earth but leaves Mars fine? I can think either of stuff that only impacts earth like meteors, nukes etc on one hand and issues like a supernova or a stray planet coming through the solar system on the other hand.