Darkness caused by dino-killing asteroid snuffed out life on Earth in 9 months
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After an asteroid struck at the end of the Cretaceous period, debris from wildfires filled the atmosphere and blocked sunlight across Earth, causing ecosystem collapse and extinctions.Darkness caused by dino-killing asteroid snuffed out life on Earth in 9 months
After an asteroid struck at the end of the Cretaceous period, debris from wildfires filled the atmosphere and blocked sunlight across Earth, causing ecosystem collapse and extinctions. Read more