Chicxulub was a minor hiccup as disasters go. Wholesale ecocide, down to the mantle, is on the table. It is wholly possible that life was well on its way befor

Chicxulub was a minor hiccup as disasters go. Wholesale ecocide, down to the mantle, is on the table. It is wholly possible that life was well on its way before the strike that produced the moon re-melted the whole planet down to constituent elements.