As I understand, the plume of dirt then envelopes the planet with a blanket of dust, causing dramatic temperature reduction by blocking sunlight. Animals immedi

As I understand, the plume of dirt then envelopes the planet with a blanket of dust, causing dramatic temperature reduction by blocking sunlight. Animals immediately dependent on food from the sun die very quickly, as the blanket of dust takes a very long time to dissipate. There is also the possibility of increased volcanic activity due to disruption of the crust, depending on where it occurs and how large the impacting object is. That can exacerbate and prolong the blanketing of the earth, and introduce severe air quality issues as well. I’m sure there are other challenges to life as well. It sounds like misery for decades.