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Site of Asteroid Impact Changed the History of Life

By Kunio Kaiho/Naga Oshima | Tohoku University on Nov 10, 2017   Featured, Science/Education  

Site of Asteroid Impact Changed the History of Life

An asteroid, also known as the Chicxulub Impactor, hit Earth some 66 million years ago, causing a crater 180 km wide. The impact of the asteroid heated organic matter in rocks and ejected it into the atmosphere, forming soot in the stratosphere. Soot is a strong, light-absorbing aerosol that caused global climate changes that triggered […]

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