The impact sent up a plume of dust and debris large enough to block out the sun for years resulting in cold dark conditions that ultimately drove the dinosaurs to extinction.

• 这次撞击激起了覆盖全球的足以遮挡阳光的灰尘与碎片，导致了寒冷黑暗的环境并将恐龙推向了绝灭。